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Finding the Fourth Proportional to 22,651.76, 34,033.02 and 21,392.84

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Solution

The fourth proportional to 22,651.76, 34,033.02 and 21,392.84 is: 32,141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.76 : 34,033.02 = 21,392.84 : x
  2. Step 2: Convert to fraction form
    22,651.76/34,033.02 = 21,392.84/x
  3. Step 3: Cross multiply
    22,651.76x = 34,033.02 × 21,392.84
  4. Step 4: Simplify right side
    22,651.76x = 728,062,951.58
  5. Step 5: Solve for x
    x = 728,062,951.58/22,651.76
  6. Step 6: Final answer
    x = 32,141.56

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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.