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Finding the Fourth Proportional to 59,490.88, 89,179.43 and 22,040.90

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Solution

The fourth proportional to 59,490.88, 89,179.43 and 22,040.90 is: 33,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,490.88 : 89,179.43 = 22,040.90 : x
  2. Step 2: Convert to fraction form
    59,490.88/89,179.43 = 22,040.90/x
  3. Step 3: Cross multiply
    59,490.88x = 89,179.43 × 22,040.90
  4. Step 4: Simplify right side
    59,490.88x = 1,965,594,800.99
  5. Step 5: Solve for x
    x = 1,965,594,800.99/59,490.88
  6. Step 6: Final answer
    x = 33,040.27

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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.