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Finding the Fourth Proportional to 41,651.68, 57,479.52 and 22,789.12

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Solution

The fourth proportional to 41,651.68, 57,479.52 and 22,789.12 is: 31,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,651.68 : 57,479.52 = 22,789.12 : x
  2. Step 2: Convert to fraction form
    41,651.68/57,479.52 = 22,789.12/x
  3. Step 3: Cross multiply
    41,651.68x = 57,479.52 × 22,789.12
  4. Step 4: Simplify right side
    41,651.68x = 1,309,907,678.82
  5. Step 5: Solve for x
    x = 1,309,907,678.82/41,651.68
  6. Step 6: Final answer
    x = 31,449.10

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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.