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Finding the Fourth Proportional to 12,374.88, 18,568.28 and 6,135.44

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Solution

The fourth proportional to 12,374.88, 18,568.28 and 6,135.44 is: 9,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.88 : 18,568.28 = 6,135.44 : x
  2. Step 2: Convert to fraction form
    12,374.88/18,568.28 = 6,135.44/x
  3. Step 3: Cross multiply
    12,374.88x = 18,568.28 × 6,135.44
  4. Step 4: Simplify right side
    12,374.88x = 113,924,567.84
  5. Step 5: Solve for x
    x = 113,924,567.84/12,374.88
  6. Step 6: Final answer
    x = 9,206.11

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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.