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Finding the Fourth Proportional to 15,132.66, 22,679.33 and 8,468.88

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Solution

The fourth proportional to 15,132.66, 22,679.33 and 8,468.88 is: 12,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.66 : 22,679.33 = 8,468.88 : x
  2. Step 2: Convert to fraction form
    15,132.66/22,679.33 = 8,468.88/x
  3. Step 3: Cross multiply
    15,132.66x = 22,679.33 × 8,468.88
  4. Step 4: Simplify right side
    15,132.66x = 192,068,481.91
  5. Step 5: Solve for x
    x = 192,068,481.91/15,132.66
  6. Step 6: Final answer
    x = 12,692.31

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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.