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Finding the Fourth Proportional to 50,559.64, 75,780.42 and 38,039.44

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Solution

The fourth proportional to 50,559.64, 75,780.42 and 38,039.44 is: 57,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,559.64 : 75,780.42 = 38,039.44 : x
  2. Step 2: Convert to fraction form
    50,559.64/75,780.42 = 38,039.44/x
  3. Step 3: Cross multiply
    50,559.64x = 75,780.42 × 38,039.44
  4. Step 4: Simplify right side
    50,559.64x = 2,882,644,739.76
  5. Step 5: Solve for x
    x = 2,882,644,739.76/50,559.64
  6. Step 6: Final answer
    x = 57,014.74

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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.