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Finding the Fourth Proportional to 25,375.41, 38,062.20 and 6,655.30

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Solution

The fourth proportional to 25,375.41, 38,062.20 and 6,655.30 is: 9,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375.41 : 38,062.20 = 6,655.30 : x
  2. Step 2: Convert to fraction form
    25,375.41/38,062.20 = 6,655.30/x
  3. Step 3: Cross multiply
    25,375.41x = 38,062.20 × 6,655.30
  4. Step 4: Simplify right side
    25,375.41x = 253,315,359.66
  5. Step 5: Solve for x
    x = 253,315,359.66/25,375.41
  6. Step 6: Final answer
    x = 9,982.71

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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.