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Finding the Fourth Proportional to 25,737.80, 38,577.90 and 10,944.20

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Solution

The fourth proportional to 25,737.80, 38,577.90 and 10,944.20 is: 16,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,737.80 : 38,577.90 = 10,944.20 : x
  2. Step 2: Convert to fraction form
    25,737.80/38,577.90 = 10,944.20/x
  3. Step 3: Cross multiply
    25,737.80x = 38,577.90 × 10,944.20
  4. Step 4: Simplify right side
    25,737.80x = 422,204,253.18
  5. Step 5: Solve for x
    x = 422,204,253.18/25,737.80
  6. Step 6: Final answer
    x = 16,404.05

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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.