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Finding the Fourth Proportional to 24,269.64, 36,404.40 and 7,631.12

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Solution

The fourth proportional to 24,269.64, 36,404.40 and 7,631.12 is: 11,446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,269.64 : 36,404.40 = 7,631.12 : x
  2. Step 2: Convert to fraction form
    24,269.64/36,404.40 = 7,631.12/x
  3. Step 3: Cross multiply
    24,269.64x = 36,404.40 × 7,631.12
  4. Step 4: Simplify right side
    24,269.64x = 277,806,344.93
  5. Step 5: Solve for x
    x = 277,806,344.93/24,269.64
  6. Step 6: Final answer
    x = 11,446.66

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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.