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Finding the Fourth Proportional to 8,882.39, 13,328.25 and 3,621.30

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Solution

The fourth proportional to 8,882.39, 13,328.25 and 3,621.30 is: 5,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.39 : 13,328.25 = 3,621.30 : x
  2. Step 2: Convert to fraction form
    8,882.39/13,328.25 = 3,621.30/x
  3. Step 3: Cross multiply
    8,882.39x = 13,328.25 × 3,621.30
  4. Step 4: Simplify right side
    8,882.39x = 48,265,528.16
  5. Step 5: Solve for x
    x = 48,265,528.16/8,882.39
  6. Step 6: Final answer
    x = 5,433.84

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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.