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Finding the Fourth Proportional to 24,429.76, 36,630.24 and 8,627.20

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Solution

The fourth proportional to 24,429.76, 36,630.24 and 8,627.20 is: 12,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,429.76 : 36,630.24 = 8,627.20 : x
  2. Step 2: Convert to fraction form
    24,429.76/36,630.24 = 8,627.20/x
  3. Step 3: Cross multiply
    24,429.76x = 36,630.24 × 8,627.20
  4. Step 4: Simplify right side
    24,429.76x = 316,016,406.53
  5. Step 5: Solve for x
    x = 316,016,406.53/24,429.76
  6. Step 6: Final answer
    x = 12,935.71

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1.5x scale

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.