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Finding the Fourth Proportional to 16,615.62, 24,926.13 and 5,520.42

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Solution

The fourth proportional to 16,615.62, 24,926.13 and 5,520.42 is: 8,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.62 : 24,926.13 = 5,520.42 : x
  2. Step 2: Convert to fraction form
    16,615.62/24,926.13 = 5,520.42/x
  3. Step 3: Cross multiply
    16,615.62x = 24,926.13 × 5,520.42
  4. Step 4: Simplify right side
    16,615.62x = 137,602,706.57
  5. Step 5: Solve for x
    x = 137,602,706.57/16,615.62
  6. Step 6: Final answer
    x = 8,281.53

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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.