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Finding the Fourth Proportional to 60,462.66, 90,694.20 and 18,343.11

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Solution

The fourth proportional to 60,462.66, 90,694.20 and 18,343.11 is: 27,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,462.66 : 90,694.20 = 18,343.11 : x
  2. Step 2: Convert to fraction form
    60,462.66/90,694.20 = 18,343.11/x
  3. Step 3: Cross multiply
    60,462.66x = 90,694.20 × 18,343.11
  4. Step 4: Simplify right side
    60,462.66x = 1,663,613,686.96
  5. Step 5: Solve for x
    x = 1,663,613,686.96/60,462.66
  6. Step 6: Final answer
    x = 27,514.73

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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.