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Finding the Fourth Proportional to 15,250.20, 22,879.05 and 5,255.10

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Solution

The fourth proportional to 15,250.20, 22,879.05 and 5,255.10 is: 7,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,250.20 : 22,879.05 = 5,255.10 : x
  2. Step 2: Convert to fraction form
    15,250.20/22,879.05 = 5,255.10/x
  3. Step 3: Cross multiply
    15,250.20x = 22,879.05 × 5,255.10
  4. Step 4: Simplify right side
    15,250.20x = 120,231,695.66
  5. Step 5: Solve for x
    x = 120,231,695.66/15,250.20
  6. Step 6: Final answer
    x = 7,883.94

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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.