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Finding the Fourth Proportional to 52,057.01, 71,838.72 and 28,183.70

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Solution

The fourth proportional to 52,057.01, 71,838.72 and 28,183.70 is: 38,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,057.01 : 71,838.72 = 28,183.70 : x
  2. Step 2: Convert to fraction form
    52,057.01/71,838.72 = 28,183.70/x
  3. Step 3: Cross multiply
    52,057.01x = 71,838.72 × 28,183.70
  4. Step 4: Simplify right side
    52,057.01x = 2,024,680,932.86
  5. Step 5: Solve for x
    x = 2,024,680,932.86/52,057.01
  6. Step 6: Final answer
    x = 38,893.53

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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.