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Finding the Fourth Proportional to 22,510.80, 33,766.20 and 19,230.30

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Solution

The fourth proportional to 22,510.80, 33,766.20 and 19,230.30 is: 28,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,510.80 : 33,766.20 = 19,230.30 : x
  2. Step 2: Convert to fraction form
    22,510.80/33,766.20 = 19,230.30/x
  3. Step 3: Cross multiply
    22,510.80x = 33,766.20 × 19,230.30
  4. Step 4: Simplify right side
    22,510.80x = 649,334,155.86
  5. Step 5: Solve for x
    x = 649,334,155.86/22,510.80
  6. Step 6: Final answer
    x = 28,845.45

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Similar ratio
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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.