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Finding the Fourth Proportional to 59,563.60, 89,221.20 and 28,000.60

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Solution

The fourth proportional to 59,563.60, 89,221.20 and 28,000.60 is: 41,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,563.60 : 89,221.20 = 28,000.60 : x
  2. Step 2: Convert to fraction form
    59,563.60/89,221.20 = 28,000.60/x
  3. Step 3: Cross multiply
    59,563.60x = 89,221.20 × 28,000.60
  4. Step 4: Simplify right side
    59,563.60x = 2,498,247,132.72
  5. Step 5: Solve for x
    x = 2,498,247,132.72/59,563.60
  6. Step 6: Final answer
    x = 41,942.51

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1.5x scale

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.