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Finding the Fourth Proportional to 60,436.30, 90,640.78 and 22,983.03

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Solution

The fourth proportional to 60,436.30, 90,640.78 and 22,983.03 is: 34,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,436.30 : 90,640.78 = 22,983.03 : x
  2. Step 2: Convert to fraction form
    60,436.30/90,640.78 = 22,983.03/x
  3. Step 3: Cross multiply
    60,436.30x = 90,640.78 × 22,983.03
  4. Step 4: Simplify right side
    60,436.30x = 2,083,199,765.96
  5. Step 5: Solve for x
    x = 2,083,199,765.96/60,436.30
  6. Step 6: Final answer
    x = 34,469.35

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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.