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Finding the Fourth Proportional to 3,154.88, 4,732.32 and 963.62

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Solution

The fourth proportional to 3,154.88, 4,732.32 and 963.62 is: 1,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.88 : 4,732.32 = 963.62 : x
  2. Step 2: Convert to fraction form
    3,154.88/4,732.32 = 963.62/x
  3. Step 3: Cross multiply
    3,154.88x = 4,732.32 × 963.62
  4. Step 4: Simplify right side
    3,154.88x = 4,560,158.20
  5. Step 5: Solve for x
    x = 4,560,158.20/3,154.88
  6. Step 6: Final answer
    x = 1,445.43

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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.