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Finding the Fourth Proportional to 8,010.60, 11,060.79 and 6,239.13

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Solution

The fourth proportional to 8,010.60, 11,060.79 and 6,239.13 is: 8,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.60 : 11,060.79 = 6,239.13 : x
  2. Step 2: Convert to fraction form
    8,010.60/11,060.79 = 6,239.13/x
  3. Step 3: Cross multiply
    8,010.60x = 11,060.79 × 6,239.13
  4. Step 4: Simplify right side
    8,010.60x = 69,009,706.71
  5. Step 5: Solve for x
    x = 69,009,706.71/8,010.60
  6. Step 6: Final answer
    x = 8,614.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.