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Finding the Fourth Proportional to 61,809.60, 92,714.40 and 15,062.48

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Solution

The fourth proportional to 61,809.60, 92,714.40 and 15,062.48 is: 22,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,809.60 : 92,714.40 = 15,062.48 : x
  2. Step 2: Convert to fraction form
    61,809.60/92,714.40 = 15,062.48/x
  3. Step 3: Cross multiply
    61,809.60x = 92,714.40 × 15,062.48
  4. Step 4: Simplify right side
    61,809.60x = 1,396,508,332.14
  5. Step 5: Solve for x
    x = 1,396,508,332.14/61,809.60
  6. Step 6: Final answer
    x = 22,593.71

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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.