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Finding the Fourth Proportional to 59,860, 89,790.45 and 26,571.12

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Solution

The fourth proportional to 59,860, 89,790.45 and 26,571.12 is: 39,856.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,860 : 89,790.45 = 26,571.12 : x
  2. Step 2: Convert to fraction form
    59,860/89,790.45 = 26,571.12/x
  3. Step 3: Cross multiply
    59,860x = 89,790.45 × 26,571.12
  4. Step 4: Simplify right side
    59,860x = 2,385,832,821.80
  5. Step 5: Solve for x
    x = 2,385,832,821.80/59,860
  6. Step 6: Final answer
    x = 39,856.88

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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.