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Finding the Fourth Proportional to 1,344.52, 1,855.52 and 754.96

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Solution

The fourth proportional to 1,344.52, 1,855.52 and 754.96 is: 1,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.52 : 1,855.52 = 754.96 : x
  2. Step 2: Convert to fraction form
    1,344.52/1,855.52 = 754.96/x
  3. Step 3: Cross multiply
    1,344.52x = 1,855.52 × 754.96
  4. Step 4: Simplify right side
    1,344.52x = 1,400,843.38
  5. Step 5: Solve for x
    x = 1,400,843.38/1,344.52
  6. Step 6: Final answer
    x = 1,041.89

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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.