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Finding the Fourth Proportional to 15,472.89, 23,218.11 and 8,357.04

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Solution

The fourth proportional to 15,472.89, 23,218.11 and 8,357.04 is: 12,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472.89 : 23,218.11 = 8,357.04 : x
  2. Step 2: Convert to fraction form
    15,472.89/23,218.11 = 8,357.04/x
  3. Step 3: Cross multiply
    15,472.89x = 23,218.11 × 8,357.04
  4. Step 4: Simplify right side
    15,472.89x = 194,034,630.46
  5. Step 5: Solve for x
    x = 194,034,630.46/15,472.89
  6. Step 6: Final answer
    x = 12,540.30

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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.