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Finding the Fourth Proportional to 53,714,456.70, 80,571,685.05 and 17,807,999.10

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Solution

The fourth proportional to 53,714,456.70, 80,571,685.05 and 17,807,999.10 is: 26,711,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,714,456.70 : 80,571,685.05 = 17,807,999.10 : x
  2. Step 2: Convert to fraction form
    53,714,456.70/80,571,685.05 = 17,807,999.10/x
  3. Step 3: Cross multiply
    53,714,456.70x = 80,571,685.05 × 17,807,999.10
  4. Step 4: Simplify right side
    53,714,456.70x = 1,434,820,494,855,883.50
  5. Step 5: Solve for x
    x = 1,434,820,494,855,883.50/53,714,456.70
  6. Step 6: Final answer
    x = 26,711,998.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.