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Finding the Fourth Proportional to 1,169.56, 1,613.22 and 750.04

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Solution

The fourth proportional to 1,169.56, 1,613.22 and 750.04 is: 1,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.56 : 1,613.22 = 750.04 : x
  2. Step 2: Convert to fraction form
    1,169.56/1,613.22 = 750.04/x
  3. Step 3: Cross multiply
    1,169.56x = 1,613.22 × 750.04
  4. Step 4: Simplify right side
    1,169.56x = 1,209,979.53
  5. Step 5: Solve for x
    x = 1,209,979.53/1,169.56
  6. Step 6: Final answer
    x = 1,034.56

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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.