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Finding the Fourth Proportional to 50,616.44, 75,926.70 and 19,023.20

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Solution

The fourth proportional to 50,616.44, 75,926.70 and 19,023.20 is: 28,535.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,616.44 : 75,926.70 = 19,023.20 : x
  2. Step 2: Convert to fraction form
    50,616.44/75,926.70 = 19,023.20/x
  3. Step 3: Cross multiply
    50,616.44x = 75,926.70 × 19,023.20
  4. Step 4: Simplify right side
    50,616.44x = 1,444,368,799.44
  5. Step 5: Solve for x
    x = 1,444,368,799.44/50,616.44
  6. Step 6: Final answer
    x = 28,535.57

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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.