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Finding the Fourth Proportional to 16,487.14, 24,720.74 and 6,479.91

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Solution

The fourth proportional to 16,487.14, 24,720.74 and 6,479.91 is: 9,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.14 : 24,720.74 = 6,479.91 : x
  2. Step 2: Convert to fraction form
    16,487.14/24,720.74 = 6,479.91/x
  3. Step 3: Cross multiply
    16,487.14x = 24,720.74 × 6,479.91
  4. Step 4: Simplify right side
    16,487.14x = 160,188,170.33
  5. Step 5: Solve for x
    x = 160,188,170.33/16,487.14
  6. Step 6: Final answer
    x = 9,715.95

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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.