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Finding the Fourth Proportional to 27,486.80, 41,230.20 and 25,737.20

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Solution

The fourth proportional to 27,486.80, 41,230.20 and 25,737.20 is: 38,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486.80 : 41,230.20 = 25,737.20 : x
  2. Step 2: Convert to fraction form
    27,486.80/41,230.20 = 25,737.20/x
  3. Step 3: Cross multiply
    27,486.80x = 41,230.20 × 25,737.20
  4. Step 4: Simplify right side
    27,486.80x = 1,061,149,903.44
  5. Step 5: Solve for x
    x = 1,061,149,903.44/27,486.80
  6. Step 6: Final answer
    x = 38,605.80

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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.