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Finding the Fourth Proportional to 1,472.81, 2,032.26 and 883.26

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Solution

The fourth proportional to 1,472.81, 2,032.26 and 883.26 is: 1,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.81 : 2,032.26 = 883.26 : x
  2. Step 2: Convert to fraction form
    1,472.81/2,032.26 = 883.26/x
  3. Step 3: Cross multiply
    1,472.81x = 2,032.26 × 883.26
  4. Step 4: Simplify right side
    1,472.81x = 1,795,013.97
  5. Step 5: Solve for x
    x = 1,795,013.97/1,472.81
  6. Step 6: Final answer
    x = 1,218.77

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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.