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Finding the Fourth Proportional to 1,660.46, 2,291.33 and 952.30

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Solution

The fourth proportional to 1,660.46, 2,291.33 and 952.30 is: 1,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.46 : 2,291.33 = 952.30 : x
  2. Step 2: Convert to fraction form
    1,660.46/2,291.33 = 952.30/x
  3. Step 3: Cross multiply
    1,660.46x = 2,291.33 × 952.30
  4. Step 4: Simplify right side
    1,660.46x = 2,182,033.56
  5. Step 5: Solve for x
    x = 2,182,033.56/1,660.46
  6. Step 6: Final answer
    x = 1,314.11

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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.