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Finding the Fourth Proportional to 61,299.46, 84,397.71 and 52,310.89

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Solution

The fourth proportional to 61,299.46, 84,397.71 and 52,310.89 is: 72,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,299.46 : 84,397.71 = 52,310.89 : x
  2. Step 2: Convert to fraction form
    61,299.46/84,397.71 = 52,310.89/x
  3. Step 3: Cross multiply
    61,299.46x = 84,397.71 × 52,310.89
  4. Step 4: Simplify right side
    61,299.46x = 4,414,919,324.06
  5. Step 5: Solve for x
    x = 4,414,919,324.06/61,299.46
  6. Step 6: Final answer
    x = 72,022.16

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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.