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Finding the Fourth Proportional to 2,575.44, 3,863.46 and 932.76

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Solution

The fourth proportional to 2,575.44, 3,863.46 and 932.76 is: 1,399.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.44 : 3,863.46 = 932.76 : x
  2. Step 2: Convert to fraction form
    2,575.44/3,863.46 = 932.76/x
  3. Step 3: Cross multiply
    2,575.44x = 3,863.46 × 932.76
  4. Step 4: Simplify right side
    2,575.44x = 3,603,680.95
  5. Step 5: Solve for x
    x = 3,603,680.95/2,575.44
  6. Step 6: Final answer
    x = 1,399.25

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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.