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Finding the Fourth Proportional to 8,375.73, 12,548.80 and 5,082.13

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Solution

The fourth proportional to 8,375.73, 12,548.80 and 5,082.13 is: 7,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.73 : 12,548.80 = 5,082.13 : x
  2. Step 2: Convert to fraction form
    8,375.73/12,548.80 = 5,082.13/x
  3. Step 3: Cross multiply
    8,375.73x = 12,548.80 × 5,082.13
  4. Step 4: Simplify right side
    8,375.73x = 63,774,632.94
  5. Step 5: Solve for x
    x = 63,774,632.94/8,375.73
  6. Step 6: Final answer
    x = 7,614.22

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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.