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Finding the Fourth Proportional to 25,579.35, 38,375.05 and 8,049.18

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Solution

The fourth proportional to 25,579.35, 38,375.05 and 8,049.18 is: 12,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,579.35 : 38,375.05 = 8,049.18 : x
  2. Step 2: Convert to fraction form
    25,579.35/38,375.05 = 8,049.18/x
  3. Step 3: Cross multiply
    25,579.35x = 38,375.05 × 8,049.18
  4. Step 4: Simplify right side
    25,579.35x = 308,887,493.08
  5. Step 5: Solve for x
    x = 308,887,493.08/25,579.35
  6. Step 6: Final answer
    x = 12,075.66

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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.