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Finding the Fourth Proportional to 61,306.28, 84,600.78 and 34,448.12

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Solution

The fourth proportional to 61,306.28, 84,600.78 and 34,448.12 is: 47,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,306.28 : 84,600.78 = 34,448.12 : x
  2. Step 2: Convert to fraction form
    61,306.28/84,600.78 = 34,448.12/x
  3. Step 3: Cross multiply
    61,306.28x = 84,600.78 × 34,448.12
  4. Step 4: Simplify right side
    61,306.28x = 2,914,337,821.53
  5. Step 5: Solve for x
    x = 2,914,337,821.53/61,306.28
  6. Step 6: Final answer
    x = 47,537.35

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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.