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Finding the Fourth Proportional to 41,115.78, 56,739.90 and 22,252.90

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Solution

The fourth proportional to 41,115.78, 56,739.90 and 22,252.90 is: 30,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,115.78 : 56,739.90 = 22,252.90 : x
  2. Step 2: Convert to fraction form
    41,115.78/56,739.90 = 22,252.90/x
  3. Step 3: Cross multiply
    41,115.78x = 56,739.90 × 22,252.90
  4. Step 4: Simplify right side
    41,115.78x = 1,262,627,320.71
  5. Step 5: Solve for x
    x = 1,262,627,320.71/41,115.78
  6. Step 6: Final answer
    x = 30,709.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.