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Finding the Fourth Proportional to 8,089.88, 12,138.06 and 2,544.08

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Solution

The fourth proportional to 8,089.88, 12,138.06 and 2,544.08 is: 3,817.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.88 : 12,138.06 = 2,544.08 : x
  2. Step 2: Convert to fraction form
    8,089.88/12,138.06 = 2,544.08/x
  3. Step 3: Cross multiply
    8,089.88x = 12,138.06 × 2,544.08
  4. Step 4: Simplify right side
    8,089.88x = 30,880,195.68
  5. Step 5: Solve for x
    x = 30,880,195.68/8,089.88
  6. Step 6: Final answer
    x = 3,817.14

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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.