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Finding the Fourth Proportional to 50,347.33, 69,479.55 and 27,687.76

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Solution

The fourth proportional to 50,347.33, 69,479.55 and 27,687.76 is: 38,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,347.33 : 69,479.55 = 27,687.76 : x
  2. Step 2: Convert to fraction form
    50,347.33/69,479.55 = 27,687.76/x
  3. Step 3: Cross multiply
    50,347.33x = 69,479.55 × 27,687.76
  4. Step 4: Simplify right side
    50,347.33x = 1,923,733,105.31
  5. Step 5: Solve for x
    x = 1,923,733,105.31/50,347.33
  6. Step 6: Final answer
    x = 38,209.24

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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.