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Finding the Fourth Proportional to 40,449.77, 55,819.17 and 23,454.74

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Solution

The fourth proportional to 40,449.77, 55,819.17 and 23,454.74 is: 32,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,449.77 : 55,819.17 = 23,454.74 : x
  2. Step 2: Convert to fraction form
    40,449.77/55,819.17 = 23,454.74/x
  3. Step 3: Cross multiply
    40,449.77x = 55,819.17 × 23,454.74
  4. Step 4: Simplify right side
    40,449.77x = 1,309,223,752.31
  5. Step 5: Solve for x
    x = 1,309,223,752.31/40,449.77
  6. Step 6: Final answer
    x = 32,366.65

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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.