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Finding the Fourth Proportional to 50,407.92, 75,631.32 and 22,313.88

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Solution

The fourth proportional to 50,407.92, 75,631.32 and 22,313.88 is: 33,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,407.92 : 75,631.32 = 22,313.88 : x
  2. Step 2: Convert to fraction form
    50,407.92/75,631.32 = 22,313.88/x
  3. Step 3: Cross multiply
    50,407.92x = 75,631.32 × 22,313.88
  4. Step 4: Simplify right side
    50,407.92x = 1,687,628,198.72
  5. Step 5: Solve for x
    x = 1,687,628,198.72/50,407.92
  6. Step 6: Final answer
    x = 33,479.43

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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.