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Finding the Fourth Proportional to 12,660.44, 18,994.76 and 6,087.14

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Solution

The fourth proportional to 12,660.44, 18,994.76 and 6,087.14 is: 9,132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660.44 : 18,994.76 = 6,087.14 : x
  2. Step 2: Convert to fraction form
    12,660.44/18,994.76 = 6,087.14/x
  3. Step 3: Cross multiply
    12,660.44x = 18,994.76 × 6,087.14
  4. Step 4: Simplify right side
    12,660.44x = 115,623,763.39
  5. Step 5: Solve for x
    x = 115,623,763.39/12,660.44
  6. Step 6: Final answer
    x = 9,132.68

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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.