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Finding the Fourth Proportional to 2,248.12, 3,372.41 and 862.63

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Solution

The fourth proportional to 2,248.12, 3,372.41 and 862.63 is: 1,294.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.12 : 3,372.41 = 862.63 : x
  2. Step 2: Convert to fraction form
    2,248.12/3,372.41 = 862.63/x
  3. Step 3: Cross multiply
    2,248.12x = 3,372.41 × 862.63
  4. Step 4: Simplify right side
    2,248.12x = 2,909,142.04
  5. Step 5: Solve for x
    x = 2,909,142.04/2,248.12
  6. Step 6: Final answer
    x = 1,294.03

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1.5x scale

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.