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Finding the Fourth Proportional to 8,903.18, 13,352.90 and 3,356.39

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Solution

The fourth proportional to 8,903.18, 13,352.90 and 3,356.39 is: 5,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.18 : 13,352.90 = 3,356.39 : x
  2. Step 2: Convert to fraction form
    8,903.18/13,352.90 = 3,356.39/x
  3. Step 3: Cross multiply
    8,903.18x = 13,352.90 × 3,356.39
  4. Step 4: Simplify right side
    8,903.18x = 44,817,540.03
  5. Step 5: Solve for x
    x = 44,817,540.03/8,903.18
  6. Step 6: Final answer
    x = 5,033.88

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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.