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Finding the Fourth Proportional to 61,591.70, 84,999.02 and 34,370.16

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Solution

The fourth proportional to 61,591.70, 84,999.02 and 34,370.16 is: 47,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,591.70 : 84,999.02 = 34,370.16 : x
  2. Step 2: Convert to fraction form
    61,591.70/84,999.02 = 34,370.16/x
  3. Step 3: Cross multiply
    61,591.70x = 84,999.02 × 34,370.16
  4. Step 4: Simplify right side
    61,591.70x = 2,921,429,917.24
  5. Step 5: Solve for x
    x = 2,921,429,917.24/61,591.70
  6. Step 6: Final answer
    x = 47,432.20

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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.