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Finding the Fourth Proportional to 22,559.68, 33,830.20 and 8,517.32

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Solution

The fourth proportional to 22,559.68, 33,830.20 and 8,517.32 is: 12,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,559.68 : 33,830.20 = 8,517.32 : x
  2. Step 2: Convert to fraction form
    22,559.68/33,830.20 = 8,517.32/x
  3. Step 3: Cross multiply
    22,559.68x = 33,830.20 × 8,517.32
  4. Step 4: Simplify right side
    22,559.68x = 288,142,427.33
  5. Step 5: Solve for x
    x = 288,142,427.33/22,559.68
  6. Step 6: Final answer
    x = 12,772.45

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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.