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Finding the Fourth Proportional to 60,650.88, 83,660.16 and 41,755.20

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Solution

The fourth proportional to 60,650.88, 83,660.16 and 41,755.20 is: 57,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,650.88 : 83,660.16 = 41,755.20 : x
  2. Step 2: Convert to fraction form
    60,650.88/83,660.16 = 41,755.20/x
  3. Step 3: Cross multiply
    60,650.88x = 83,660.16 × 41,755.20
  4. Step 4: Simplify right side
    60,650.88x = 3,493,246,712.83
  5. Step 5: Solve for x
    x = 3,493,246,712.83/60,650.88
  6. Step 6: Final answer
    x = 57,595.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.