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Finding the Fourth Proportional to 1,472.34, 2,209.52 and 952.58

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Solution

The fourth proportional to 1,472.34, 2,209.52 and 952.58 is: 1,429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.34 : 2,209.52 = 952.58 : x
  2. Step 2: Convert to fraction form
    1,472.34/2,209.52 = 952.58/x
  3. Step 3: Cross multiply
    1,472.34x = 2,209.52 × 952.58
  4. Step 4: Simplify right side
    1,472.34x = 2,104,728.75
  5. Step 5: Solve for x
    x = 2,104,728.75/1,472.34
  6. Step 6: Final answer
    x = 1,429.51

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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.