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Finding the Fourth Proportional to 1,167.44, 1,748.62 and 732.47

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Solution

The fourth proportional to 1,167.44, 1,748.62 and 732.47 is: 1,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.44 : 1,748.62 = 732.47 : x
  2. Step 2: Convert to fraction form
    1,167.44/1,748.62 = 732.47/x
  3. Step 3: Cross multiply
    1,167.44x = 1,748.62 × 732.47
  4. Step 4: Simplify right side
    1,167.44x = 1,280,811.69
  5. Step 5: Solve for x
    x = 1,280,811.69/1,167.44
  6. Step 6: Final answer
    x = 1,097.11

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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.