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Finding the Fourth Proportional to 40,133.68, 55,380.24 and 22,228.24

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Solution

The fourth proportional to 40,133.68, 55,380.24 and 22,228.24 is: 30,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,133.68 : 55,380.24 = 22,228.24 : x
  2. Step 2: Convert to fraction form
    40,133.68/55,380.24 = 22,228.24/x
  3. Step 3: Cross multiply
    40,133.68x = 55,380.24 × 22,228.24
  4. Step 4: Simplify right side
    40,133.68x = 1,231,005,265.98
  5. Step 5: Solve for x
    x = 1,231,005,265.98/40,133.68
  6. Step 6: Final answer
    x = 30,672.62

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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.