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Finding the Fourth Proportional to 12,073.89, 18,116.03 and 6,531.14

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Solution

The fourth proportional to 12,073.89, 18,116.03 and 6,531.14 is: 9,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.89 : 18,116.03 = 6,531.14 : x
  2. Step 2: Convert to fraction form
    12,073.89/18,116.03 = 6,531.14/x
  3. Step 3: Cross multiply
    12,073.89x = 18,116.03 × 6,531.14
  4. Step 4: Simplify right side
    12,073.89x = 118,318,204.94
  5. Step 5: Solve for x
    x = 118,318,204.94/12,073.89
  6. Step 6: Final answer
    x = 9,799.51

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1.5x scale

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.