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Finding the Fourth Proportional to 1,169.27, 1,613.88 and 750.62

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Solution

The fourth proportional to 1,169.27, 1,613.88 and 750.62 is: 1,036.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.27 : 1,613.88 = 750.62 : x
  2. Step 2: Convert to fraction form
    1,169.27/1,613.88 = 750.62/x
  3. Step 3: Cross multiply
    1,169.27x = 1,613.88 × 750.62
  4. Step 4: Simplify right side
    1,169.27x = 1,211,410.61
  5. Step 5: Solve for x
    x = 1,211,410.61/1,169.27
  6. Step 6: Final answer
    x = 1,036.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.