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Finding the Fourth Proportional to 60,508.94, 90,777.42 and 20,525.79

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Solution

The fourth proportional to 60,508.94, 90,777.42 and 20,525.79 is: 30,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,508.94 : 90,777.42 = 20,525.79 : x
  2. Step 2: Convert to fraction form
    60,508.94/90,777.42 = 20,525.79/x
  3. Step 3: Cross multiply
    60,508.94x = 90,777.42 × 20,525.79
  4. Step 4: Simplify right side
    60,508.94x = 1,863,278,259.66
  5. Step 5: Solve for x
    x = 1,863,278,259.66/60,508.94
  6. Step 6: Final answer
    x = 30,793.44

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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.