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Finding the Fourth Proportional to 12,241.71, 16,893.81 and 6,652.71

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Solution

The fourth proportional to 12,241.71, 16,893.81 and 6,652.71 is: 9,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.71 : 16,893.81 = 6,652.71 : x
  2. Step 2: Convert to fraction form
    12,241.71/16,893.81 = 6,652.71/x
  3. Step 3: Cross multiply
    12,241.71x = 16,893.81 × 6,652.71
  4. Step 4: Simplify right side
    12,241.71x = 112,389,618.73
  5. Step 5: Solve for x
    x = 112,389,618.73/12,241.71
  6. Step 6: Final answer
    x = 9,180.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.