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Finding the Fourth Proportional to 50,343.60, 69,474.52 and 27,987.76

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Solution

The fourth proportional to 50,343.60, 69,474.52 and 27,987.76 is: 38,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,343.60 : 69,474.52 = 27,987.76 : x
  2. Step 2: Convert to fraction form
    50,343.60/69,474.52 = 27,987.76/x
  3. Step 3: Cross multiply
    50,343.60x = 69,474.52 × 27,987.76
  4. Step 4: Simplify right side
    50,343.60x = 1,944,436,191.88
  5. Step 5: Solve for x
    x = 1,944,436,191.88/50,343.60
  6. Step 6: Final answer
    x = 38,623.30

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Double scale
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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.