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Finding the Fourth Proportional to 1,169.52, 1,753.88 and 552.71

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Solution

The fourth proportional to 1,169.52, 1,753.88 and 552.71 is: 828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.52 : 1,753.88 = 552.71 : x
  2. Step 2: Convert to fraction form
    1,169.52/1,753.88 = 552.71/x
  3. Step 3: Cross multiply
    1,169.52x = 1,753.88 × 552.71
  4. Step 4: Simplify right side
    1,169.52x = 969,375.48
  5. Step 5: Solve for x
    x = 969,375.48/1,169.52
  6. Step 6: Final answer
    x = 828.87

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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.