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Finding the Fourth Proportional to 66,609.32, 99,835.56 and 24,475.40

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Solution

The fourth proportional to 66,609.32, 99,835.56 and 24,475.40 is: 36,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,609.32 : 99,835.56 = 24,475.40 : x
  2. Step 2: Convert to fraction form
    66,609.32/99,835.56 = 24,475.40/x
  3. Step 3: Cross multiply
    66,609.32x = 99,835.56 × 24,475.40
  4. Step 4: Simplify right side
    66,609.32x = 2,443,515,265.22
  5. Step 5: Solve for x
    x = 2,443,515,265.22/66,609.32
  6. Step 6: Final answer
    x = 36,684.28

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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.