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Finding the Fourth Proportional to 50,062.78, 75,100.70 and 18,494.95

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Solution

The fourth proportional to 50,062.78, 75,100.70 and 18,494.95 is: 27,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,062.78 : 75,100.70 = 18,494.95 : x
  2. Step 2: Convert to fraction form
    50,062.78/75,100.70 = 18,494.95/x
  3. Step 3: Cross multiply
    50,062.78x = 75,100.70 × 18,494.95
  4. Step 4: Simplify right side
    50,062.78x = 1,388,983,690.76
  5. Step 5: Solve for x
    x = 1,388,983,690.76/50,062.78
  6. Step 6: Final answer
    x = 27,744.84

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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.