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Finding the Fourth Proportional to 15,169.84, 22,770.96 and 8,608.84

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Solution

The fourth proportional to 15,169.84, 22,770.96 and 8,608.84 is: 12,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,169.84 : 22,770.96 = 8,608.84 : x
  2. Step 2: Convert to fraction form
    15,169.84/22,770.96 = 8,608.84/x
  3. Step 3: Cross multiply
    15,169.84x = 22,770.96 × 8,608.84
  4. Step 4: Simplify right side
    15,169.84x = 196,031,551.29
  5. Step 5: Solve for x
    x = 196,031,551.29/15,169.84
  6. Step 6: Final answer
    x = 12,922.45

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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.