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Finding the Fourth Proportional to 24,438.76, 36,658.80 and 8,641.56

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Solution

The fourth proportional to 24,438.76, 36,658.80 and 8,641.56 is: 12,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,438.76 : 36,658.80 = 8,641.56 : x
  2. Step 2: Convert to fraction form
    24,438.76/36,658.80 = 8,641.56/x
  3. Step 3: Cross multiply
    24,438.76x = 36,658.80 × 8,641.56
  4. Step 4: Simplify right side
    24,438.76x = 316,789,219.73
  5. Step 5: Solve for x
    x = 316,789,219.73/24,438.76
  6. Step 6: Final answer
    x = 12,962.57

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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.