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Finding the Fourth Proportional to 60,712.65, 91,062.45 and 16,343.90

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Solution

The fourth proportional to 60,712.65, 91,062.45 and 16,343.90 is: 24,514.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,712.65 : 91,062.45 = 16,343.90 : x
  2. Step 2: Convert to fraction form
    60,712.65/91,062.45 = 16,343.90/x
  3. Step 3: Cross multiply
    60,712.65x = 91,062.45 × 16,343.90
  4. Step 4: Simplify right side
    60,712.65x = 1,488,315,121.24
  5. Step 5: Solve for x
    x = 1,488,315,121.24/60,712.65
  6. Step 6: Final answer
    x = 24,514.09

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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.