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Finding the Fourth Proportional to 6,472.68, 8,932.86 and 3,820.92

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Solution

The fourth proportional to 6,472.68, 8,932.86 and 3,820.92 is: 5,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.68 : 8,932.86 = 3,820.92 : x
  2. Step 2: Convert to fraction form
    6,472.68/8,932.86 = 3,820.92/x
  3. Step 3: Cross multiply
    6,472.68x = 8,932.86 × 3,820.92
  4. Step 4: Simplify right side
    6,472.68x = 34,131,743.43
  5. Step 5: Solve for x
    x = 34,131,743.43/6,472.68
  6. Step 6: Final answer
    x = 5,273.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.