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Finding the Fourth Proportional to 15,247.08, 22,879.40 and 8,227.08

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Solution

The fourth proportional to 15,247.08, 22,879.40 and 8,227.08 is: 12,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.08 : 22,879.40 = 8,227.08 : x
  2. Step 2: Convert to fraction form
    15,247.08/22,879.40 = 8,227.08/x
  3. Step 3: Cross multiply
    15,247.08x = 22,879.40 × 8,227.08
  4. Step 4: Simplify right side
    15,247.08x = 188,230,654.15
  5. Step 5: Solve for x
    x = 188,230,654.15/15,247.08
  6. Step 6: Final answer
    x = 12,345.36

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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.