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Finding the Fourth Proportional to 50,347.51, 69,479.78 and 27,687.92

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Solution

The fourth proportional to 50,347.51, 69,479.78 and 27,687.92 is: 38,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,347.51 : 69,479.78 = 27,687.92 : x
  2. Step 2: Convert to fraction form
    50,347.51/69,479.78 = 27,687.92/x
  3. Step 3: Cross multiply
    50,347.51x = 69,479.78 × 27,687.92
  4. Step 4: Simplify right side
    50,347.51x = 1,923,750,104.42
  5. Step 5: Solve for x
    x = 1,923,750,104.42/50,347.51
  6. Step 6: Final answer
    x = 38,209.44

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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.