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Finding the Fourth Proportional to 1,512.48, 2,266.92 and 732

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Solution

The fourth proportional to 1,512.48, 2,266.92 and 732 is: 1,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.48 : 2,266.92 = 732 : x
  2. Step 2: Convert to fraction form
    1,512.48/2,266.92 = 732/x
  3. Step 3: Cross multiply
    1,512.48x = 2,266.92 × 732
  4. Step 4: Simplify right side
    1,512.48x = 1,659,385.44
  5. Step 5: Solve for x
    x = 1,659,385.44/1,512.48
  6. Step 6: Final answer
    x = 1,097.13

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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.