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Finding the Fourth Proportional to 50,543.68, 69,723.84 and 38,586.28

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Solution

The fourth proportional to 50,543.68, 69,723.84 and 38,586.28 is: 53,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,543.68 : 69,723.84 = 38,586.28 : x
  2. Step 2: Convert to fraction form
    50,543.68/69,723.84 = 38,586.28/x
  3. Step 3: Cross multiply
    50,543.68x = 69,723.84 × 38,586.28
  4. Step 4: Simplify right side
    50,543.68x = 2,690,383,612.92
  5. Step 5: Solve for x
    x = 2,690,383,612.92/50,543.68
  6. Step 6: Final answer
    x = 53,228.88

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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.