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Finding the Fourth Proportional to 25,449.30, 35,082.90 and 17,872.92

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Solution

The fourth proportional to 25,449.30, 35,082.90 and 17,872.92 is: 24,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,449.30 : 35,082.90 = 17,872.92 : x
  2. Step 2: Convert to fraction form
    25,449.30/35,082.90 = 17,872.92/x
  3. Step 3: Cross multiply
    25,449.30x = 35,082.90 × 17,872.92
  4. Step 4: Simplify right side
    25,449.30x = 627,033,865.07
  5. Step 5: Solve for x
    x = 627,033,865.07/25,449.30
  6. Step 6: Final answer
    x = 24,638.55

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1.5x scale

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.