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Finding the Fourth Proportional to 25,757.92, 38,626.96 and 10,973.92

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Solution

The fourth proportional to 25,757.92, 38,626.96 and 10,973.92 is: 16,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,757.92 : 38,626.96 = 10,973.92 : x
  2. Step 2: Convert to fraction form
    25,757.92/38,626.96 = 10,973.92/x
  3. Step 3: Cross multiply
    25,757.92x = 38,626.96 × 10,973.92
  4. Step 4: Simplify right side
    25,757.92x = 423,889,168.88
  5. Step 5: Solve for x
    x = 423,889,168.88/25,757.92
  6. Step 6: Final answer
    x = 16,456.65

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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.