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Finding the Fourth Proportional to 62,767.67, 86,620.87 and 34,088.40

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Solution

The fourth proportional to 62,767.67, 86,620.87 and 34,088.40 is: 47,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,767.67 : 86,620.87 = 34,088.40 : x
  2. Step 2: Convert to fraction form
    62,767.67/86,620.87 = 34,088.40/x
  3. Step 3: Cross multiply
    62,767.67x = 86,620.87 × 34,088.40
  4. Step 4: Simplify right side
    62,767.67x = 2,952,766,996.24
  5. Step 5: Solve for x
    x = 2,952,766,996.24/62,767.67
  6. Step 6: Final answer
    x = 47,042.80

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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.