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Finding the Fourth Proportional to 12,713.68, 17,544.78 and 7,334.14

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Solution

The fourth proportional to 12,713.68, 17,544.78 and 7,334.14 is: 10,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713.68 : 17,544.78 = 7,334.14 : x
  2. Step 2: Convert to fraction form
    12,713.68/17,544.78 = 7,334.14/x
  3. Step 3: Cross multiply
    12,713.68x = 17,544.78 × 7,334.14
  4. Step 4: Simplify right side
    12,713.68x = 128,675,872.79
  5. Step 5: Solve for x
    x = 128,675,872.79/12,713.68
  6. Step 6: Final answer
    x = 10,121.06

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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.