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Finding the Fourth Proportional to 8,882.04, 13,336.88 and 8,487.62

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Solution

The fourth proportional to 8,882.04, 13,336.88 and 8,487.62 is: 12,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.04 : 13,336.88 = 8,487.62 : x
  2. Step 2: Convert to fraction form
    8,882.04/13,336.88 = 8,487.62/x
  3. Step 3: Cross multiply
    8,882.04x = 13,336.88 × 8,487.62
  4. Step 4: Simplify right side
    8,882.04x = 113,198,369.43
  5. Step 5: Solve for x
    x = 113,198,369.43/8,882.04
  6. Step 6: Final answer
    x = 12,744.64

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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.