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Finding the Fourth Proportional to 1,167.30, 1,752.03 and 801.18

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Solution

The fourth proportional to 1,167.30, 1,752.03 and 801.18 is: 1,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.30 : 1,752.03 = 801.18 : x
  2. Step 2: Convert to fraction form
    1,167.30/1,752.03 = 801.18/x
  3. Step 3: Cross multiply
    1,167.30x = 1,752.03 × 801.18
  4. Step 4: Simplify right side
    1,167.30x = 1,403,691.40
  5. Step 5: Solve for x
    x = 1,403,691.40/1,167.30
  6. Step 6: Final answer
    x = 1,202.51

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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.