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Finding the Fourth Proportional to 1,167.36, 1,750.92 and 733.20

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Solution

The fourth proportional to 1,167.36, 1,750.92 and 733.20 is: 1,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.36 : 1,750.92 = 733.20 : x
  2. Step 2: Convert to fraction form
    1,167.36/1,750.92 = 733.20/x
  3. Step 3: Cross multiply
    1,167.36x = 1,750.92 × 733.20
  4. Step 4: Simplify right side
    1,167.36x = 1,283,774.54
  5. Step 5: Solve for x
    x = 1,283,774.54/1,167.36
  6. Step 6: Final answer
    x = 1,099.72

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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.