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Finding the Fourth Proportional to 66,432.40, 99,659.32 and 24,882.64

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Solution

The fourth proportional to 66,432.40, 99,659.32 and 24,882.64 is: 37,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432.40 : 99,659.32 = 24,882.64 : x
  2. Step 2: Convert to fraction form
    66,432.40/99,659.32 = 24,882.64/x
  3. Step 3: Cross multiply
    66,432.40x = 99,659.32 × 24,882.64
  4. Step 4: Simplify right side
    66,432.40x = 2,479,786,982.20
  5. Step 5: Solve for x
    x = 2,479,786,982.20/66,432.40
  6. Step 6: Final answer
    x = 37,327.98

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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.