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Finding the Fourth Proportional to 1,232.62, 1,702.96 and 1,048.04

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Solution

The fourth proportional to 1,232.62, 1,702.96 and 1,048.04 is: 1,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.62 : 1,702.96 = 1,048.04 : x
  2. Step 2: Convert to fraction form
    1,232.62/1,702.96 = 1,048.04/x
  3. Step 3: Cross multiply
    1,232.62x = 1,702.96 × 1,048.04
  4. Step 4: Simplify right side
    1,232.62x = 1,784,770.20
  5. Step 5: Solve for x
    x = 1,784,770.20/1,232.62
  6. Step 6: Final answer
    x = 1,447.95

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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.