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Finding the Fourth Proportional to 59,910.95, 89,866.42 and 20,468.41

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Solution

The fourth proportional to 59,910.95, 89,866.42 and 20,468.41 is: 30,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,910.95 : 89,866.42 = 20,468.41 : x
  2. Step 2: Convert to fraction form
    59,910.95/89,866.42 = 20,468.41/x
  3. Step 3: Cross multiply
    59,910.95x = 89,866.42 × 20,468.41
  4. Step 4: Simplify right side
    59,910.95x = 1,839,422,453.96
  5. Step 5: Solve for x
    x = 1,839,422,453.96/59,910.95
  6. Step 6: Final answer
    x = 30,702.61

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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.