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Finding the Fourth Proportional to 32,806.44, 45,269.82 and 18,658.80

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Solution

The fourth proportional to 32,806.44, 45,269.82 and 18,658.80 is: 25,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,806.44 : 45,269.82 = 18,658.80 : x
  2. Step 2: Convert to fraction form
    32,806.44/45,269.82 = 18,658.80/x
  3. Step 3: Cross multiply
    32,806.44x = 45,269.82 × 18,658.80
  4. Step 4: Simplify right side
    32,806.44x = 844,680,517.42
  5. Step 5: Solve for x
    x = 844,680,517.42/32,806.44
  6. Step 6: Final answer
    x = 25,747.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.