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Finding the Fourth Proportional to 1,472.85, 2,032.09 and 883.17

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Solution

The fourth proportional to 1,472.85, 2,032.09 and 883.17 is: 1,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.85 : 2,032.09 = 883.17 : x
  2. Step 2: Convert to fraction form
    1,472.85/2,032.09 = 883.17/x
  3. Step 3: Cross multiply
    1,472.85x = 2,032.09 × 883.17
  4. Step 4: Simplify right side
    1,472.85x = 1,794,680.93
  5. Step 5: Solve for x
    x = 1,794,680.93/1,472.85
  6. Step 6: Final answer
    x = 1,218.51

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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.