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Finding the Fourth Proportional to 25,922.98, 38,884.44 and 8,153.56

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Solution

The fourth proportional to 25,922.98, 38,884.44 and 8,153.56 is: 12,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,922.98 : 38,884.44 = 8,153.56 : x
  2. Step 2: Convert to fraction form
    25,922.98/38,884.44 = 8,153.56/x
  3. Step 3: Cross multiply
    25,922.98x = 38,884.44 × 8,153.56
  4. Step 4: Simplify right side
    25,922.98x = 317,046,614.61
  5. Step 5: Solve for x
    x = 317,046,614.61/25,922.98
  6. Step 6: Final answer
    x = 12,230.33

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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.