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Finding the Fourth Proportional to 892.03, 1,229.43 and 752.51

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Solution

The fourth proportional to 892.03, 1,229.43 and 752.51 is: 1,037.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    892.03 : 1,229.43 = 752.51 : x
  2. Step 2: Convert to fraction form
    892.03/1,229.43 = 752.51/x
  3. Step 3: Cross multiply
    892.03x = 1,229.43 × 752.51
  4. Step 4: Simplify right side
    892.03x = 925,155.30
  5. Step 5: Solve for x
    x = 925,155.30/892.03
  6. Step 6: Final answer
    x = 1,037.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.