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Finding the Fourth Proportional to 61,387.92, 92,063.70 and 26,319.24

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Solution

The fourth proportional to 61,387.92, 92,063.70 and 26,319.24 is: 39,471.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,387.92 : 92,063.70 = 26,319.24 : x
  2. Step 2: Convert to fraction form
    61,387.92/92,063.70 = 26,319.24/x
  3. Step 3: Cross multiply
    61,387.92x = 92,063.70 × 26,319.24
  4. Step 4: Simplify right side
    61,387.92x = 2,423,046,615.59
  5. Step 5: Solve for x
    x = 2,423,046,615.59/61,387.92
  6. Step 6: Final answer
    x = 39,471.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.