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Finding the Fourth Proportional to 40,532.40, 60,847.20 and 22,777.20

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Solution

The fourth proportional to 40,532.40, 60,847.20 and 22,777.20 is: 34,193.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,532.40 : 60,847.20 = 22,777.20 : x
  2. Step 2: Convert to fraction form
    40,532.40/60,847.20 = 22,777.20/x
  3. Step 3: Cross multiply
    40,532.40x = 60,847.20 × 22,777.20
  4. Step 4: Simplify right side
    40,532.40x = 1,385,928,843.84
  5. Step 5: Solve for x
    x = 1,385,928,843.84/40,532.40
  6. Step 6: Final answer
    x = 34,193.11

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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.