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Finding the Fourth Proportional to 25,902.28, 38,853.42 and 8,372.11

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Solution

The fourth proportional to 25,902.28, 38,853.42 and 8,372.11 is: 12,558.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,902.28 : 38,853.42 = 8,372.11 : x
  2. Step 2: Convert to fraction form
    25,902.28/38,853.42 = 8,372.11/x
  3. Step 3: Cross multiply
    25,902.28x = 38,853.42 × 8,372.11
  4. Step 4: Simplify right side
    25,902.28x = 325,285,097.53
  5. Step 5: Solve for x
    x = 325,285,097.53/25,902.28
  6. Step 6: Final answer
    x = 12,558.16

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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.