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Finding the Fourth Proportional to 1,174.25, 1,753.87 and 1,062.89

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Solution

The fourth proportional to 1,174.25, 1,753.87 and 1,062.89 is: 1,587.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.25 : 1,753.87 = 1,062.89 : x
  2. Step 2: Convert to fraction form
    1,174.25/1,753.87 = 1,062.89/x
  3. Step 3: Cross multiply
    1,174.25x = 1,753.87 × 1,062.89
  4. Step 4: Simplify right side
    1,174.25x = 1,864,165.57
  5. Step 5: Solve for x
    x = 1,864,165.57/1,174.25
  6. Step 6: Final answer
    x = 1,587.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.