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Finding the Fourth Proportional to 8,374.59, 12,563.81 and 3,631.54

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Solution

The fourth proportional to 8,374.59, 12,563.81 and 3,631.54 is: 5,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.59 : 12,563.81 = 3,631.54 : x
  2. Step 2: Convert to fraction form
    8,374.59/12,563.81 = 3,631.54/x
  3. Step 3: Cross multiply
    8,374.59x = 12,563.81 × 3,631.54
  4. Step 4: Simplify right side
    8,374.59x = 45,625,978.57
  5. Step 5: Solve for x
    x = 45,625,978.57/8,374.59
  6. Step 6: Final answer
    x = 5,448.14

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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.