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Finding the Fourth Proportional to 50,347.68, 69,480.56 and 27,687.64

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Solution

The fourth proportional to 50,347.68, 69,480.56 and 27,687.64 is: 38,209.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,347.68 : 69,480.56 = 27,687.64 : x
  2. Step 2: Convert to fraction form
    50,347.68/69,480.56 = 27,687.64/x
  3. Step 3: Cross multiply
    50,347.68x = 69,480.56 × 27,687.64
  4. Step 4: Simplify right side
    50,347.68x = 1,923,752,732.28
  5. Step 5: Solve for x
    x = 1,923,752,732.28/50,347.68
  6. Step 6: Final answer
    x = 38,209.36

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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.