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Finding the Fourth Proportional to 2,502.76, 3,754.30 and 963.76

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Solution

The fourth proportional to 2,502.76, 3,754.30 and 963.76 is: 1,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.76 : 3,754.30 = 963.76 : x
  2. Step 2: Convert to fraction form
    2,502.76/3,754.30 = 963.76/x
  3. Step 3: Cross multiply
    2,502.76x = 3,754.30 × 963.76
  4. Step 4: Simplify right side
    2,502.76x = 3,618,244.17
  5. Step 5: Solve for x
    x = 3,618,244.17/2,502.76
  6. Step 6: Final answer
    x = 1,445.70

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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.