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Finding the Fourth Proportional to 22,820.80, 34,231.20 and 10,532.80

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Solution

The fourth proportional to 22,820.80, 34,231.20 and 10,532.80 is: 15,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,820.80 : 34,231.20 = 10,532.80 : x
  2. Step 2: Convert to fraction form
    22,820.80/34,231.20 = 10,532.80/x
  3. Step 3: Cross multiply
    22,820.80x = 34,231.20 × 10,532.80
  4. Step 4: Simplify right side
    22,820.80x = 360,550,383.36
  5. Step 5: Solve for x
    x = 360,550,383.36/22,820.80
  6. Step 6: Final answer
    x = 15,799.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.