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Finding the Fourth Proportional to 48,821.60, 73,210.80 and 22,512.80

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Solution

The fourth proportional to 48,821.60, 73,210.80 and 22,512.80 is: 33,759.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,821.60 : 73,210.80 = 22,512.80 : x
  2. Step 2: Convert to fraction form
    48,821.60/73,210.80 = 22,512.80/x
  3. Step 3: Cross multiply
    48,821.60x = 73,210.80 × 22,512.80
  4. Step 4: Simplify right side
    48,821.60x = 1,648,180,098.24
  5. Step 5: Solve for x
    x = 1,648,180,098.24/48,821.60
  6. Step 6: Final answer
    x = 33,759.24

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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.