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Finding the Fourth Proportional to 60,408.30, 90,591.90 and 22,959.36

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Solution

The fourth proportional to 60,408.30, 90,591.90 and 22,959.36 is: 34,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,408.30 : 90,591.90 = 22,959.36 : x
  2. Step 2: Convert to fraction form
    60,408.30/90,591.90 = 22,959.36/x
  3. Step 3: Cross multiply
    60,408.30x = 90,591.90 × 22,959.36
  4. Step 4: Simplify right side
    60,408.30x = 2,079,932,045.18
  5. Step 5: Solve for x
    x = 2,079,932,045.18/60,408.30
  6. Step 6: Final answer
    x = 34,431.23

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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.