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Finding the Fourth Proportional to 66,398.03, 99,524.56 and 32,687.24

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Solution

The fourth proportional to 66,398.03, 99,524.56 and 32,687.24 is: 48,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,398.03 : 99,524.56 = 32,687.24 : x
  2. Step 2: Convert to fraction form
    66,398.03/99,524.56 = 32,687.24/x
  3. Step 3: Cross multiply
    66,398.03x = 99,524.56 × 32,687.24
  4. Step 4: Simplify right side
    66,398.03x = 3,253,183,178.61
  5. Step 5: Solve for x
    x = 3,253,183,178.61/66,398.03
  6. Step 6: Final answer
    x = 48,995.18

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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.