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Finding the Fourth Proportional to 50,138.80, 75,060.48 and 37,049.68

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Solution

The fourth proportional to 50,138.80, 75,060.48 and 37,049.68 is: 55,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,138.80 : 75,060.48 = 37,049.68 : x
  2. Step 2: Convert to fraction form
    50,138.80/75,060.48 = 37,049.68/x
  3. Step 3: Cross multiply
    50,138.80x = 75,060.48 × 37,049.68
  4. Step 4: Simplify right side
    50,138.80x = 2,780,966,764.65
  5. Step 5: Solve for x
    x = 2,780,966,764.65/50,138.80
  6. Step 6: Final answer
    x = 55,465.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.