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Finding the Fourth Proportional to 16,251.32, 24,372.15 and 6,891.20

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Solution

The fourth proportional to 16,251.32, 24,372.15 and 6,891.20 is: 10,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.32 : 24,372.15 = 6,891.20 : x
  2. Step 2: Convert to fraction form
    16,251.32/24,372.15 = 6,891.20/x
  3. Step 3: Cross multiply
    16,251.32x = 24,372.15 × 6,891.20
  4. Step 4: Simplify right side
    16,251.32x = 167,953,360.08
  5. Step 5: Solve for x
    x = 167,953,360.08/16,251.32
  6. Step 6: Final answer
    x = 10,334.75

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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.