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Finding the Fourth Proportional to 22,869.80, 34,304.70 and 16,188.20

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Solution

The fourth proportional to 22,869.80, 34,304.70 and 16,188.20 is: 24,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,869.80 : 34,304.70 = 16,188.20 : x
  2. Step 2: Convert to fraction form
    22,869.80/34,304.70 = 16,188.20/x
  3. Step 3: Cross multiply
    22,869.80x = 34,304.70 × 16,188.20
  4. Step 4: Simplify right side
    22,869.80x = 555,331,344.54
  5. Step 5: Solve for x
    x = 555,331,344.54/22,869.80
  6. Step 6: Final answer
    x = 24,282.30

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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.