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Finding the Fourth Proportional to 1,630.24, 2,250.14 and 1,000.92

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Solution

The fourth proportional to 1,630.24, 2,250.14 and 1,000.92 is: 1,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.24 : 2,250.14 = 1,000.92 : x
  2. Step 2: Convert to fraction form
    1,630.24/2,250.14 = 1,000.92/x
  3. Step 3: Cross multiply
    1,630.24x = 2,250.14 × 1,000.92
  4. Step 4: Simplify right side
    1,630.24x = 2,252,205.12
  5. Step 5: Solve for x
    x = 2,252,205.12/1,630.24
  6. Step 6: Final answer
    x = 1,381.52

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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.