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Finding the Fourth Proportional to 59,223.80, 88,689.90 and 28,022.60

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Solution

The fourth proportional to 59,223.80, 88,689.90 and 28,022.60 is: 41,964.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,223.80 : 88,689.90 = 28,022.60 : x
  2. Step 2: Convert to fraction form
    59,223.80/88,689.90 = 28,022.60/x
  3. Step 3: Cross multiply
    59,223.80x = 88,689.90 × 28,022.60
  4. Step 4: Simplify right side
    59,223.80x = 2,485,321,591.74
  5. Step 5: Solve for x
    x = 2,485,321,591.74/59,223.80
  6. Step 6: Final answer
    x = 41,964.91

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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.