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Finding the Fourth Proportional to 61,227.90, 84,487.98 and 34,373.38

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Solution

The fourth proportional to 61,227.90, 84,487.98 and 34,373.38 is: 47,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,227.90 : 84,487.98 = 34,373.38 : x
  2. Step 2: Convert to fraction form
    61,227.90/84,487.98 = 34,373.38/x
  3. Step 3: Cross multiply
    61,227.90x = 84,487.98 × 34,373.38
  4. Step 4: Simplify right side
    61,227.90x = 2,904,137,441.97
  5. Step 5: Solve for x
    x = 2,904,137,441.97/61,227.90
  6. Step 6: Final answer
    x = 47,431.60

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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.