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Finding the Fourth Proportional to 49,062.40, 73,612.80 and 17,900.80

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Solution

The fourth proportional to 49,062.40, 73,612.80 and 17,900.80 is: 26,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,062.40 : 73,612.80 = 17,900.80 : x
  2. Step 2: Convert to fraction form
    49,062.40/73,612.80 = 17,900.80/x
  3. Step 3: Cross multiply
    49,062.40x = 73,612.80 × 17,900.80
  4. Step 4: Simplify right side
    49,062.40x = 1,317,728,010.24
  5. Step 5: Solve for x
    x = 1,317,728,010.24/49,062.40
  6. Step 6: Final answer
    x = 26,858.21

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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.