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Finding the Fourth Proportional to 50,129.80, 69,178.98 and 27,773.80

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Solution

The fourth proportional to 50,129.80, 69,178.98 and 27,773.80 is: 38,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,129.80 : 69,178.98 = 27,773.80 : x
  2. Step 2: Convert to fraction form
    50,129.80/69,178.98 = 27,773.80/x
  3. Step 3: Cross multiply
    50,129.80x = 69,178.98 × 27,773.80
  4. Step 4: Simplify right side
    50,129.80x = 1,921,363,154.72
  5. Step 5: Solve for x
    x = 1,921,363,154.72/50,129.80
  6. Step 6: Final answer
    x = 38,327.76

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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.