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Finding the Fourth Proportional to 53,963.10, 80,944.65 and 50,679.90

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Solution

The fourth proportional to 53,963.10, 80,944.65 and 50,679.90 is: 76,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,963.10 : 80,944.65 = 50,679.90 : x
  2. Step 2: Convert to fraction form
    53,963.10/80,944.65 = 50,679.90/x
  3. Step 3: Cross multiply
    53,963.10x = 80,944.65 × 50,679.90
  4. Step 4: Simplify right side
    53,963.10x = 4,102,266,767.54
  5. Step 5: Solve for x
    x = 4,102,266,767.54/53,963.10
  6. Step 6: Final answer
    x = 76,019.85

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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.