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Finding the Fourth Proportional to 61,734.72, 92,601.38 and 14,987.58

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Solution

The fourth proportional to 61,734.72, 92,601.38 and 14,987.58 is: 22,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,734.72 : 92,601.38 = 14,987.58 : x
  2. Step 2: Convert to fraction form
    61,734.72/92,601.38 = 14,987.58/x
  3. Step 3: Cross multiply
    61,734.72x = 92,601.38 × 14,987.58
  4. Step 4: Simplify right side
    61,734.72x = 1,387,870,590.86
  5. Step 5: Solve for x
    x = 1,387,870,590.86/61,734.72
  6. Step 6: Final answer
    x = 22,481.20

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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.