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Finding the Fourth Proportional to 12,750.66, 17,593.89 and 7,371.11

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Solution

The fourth proportional to 12,750.66, 17,593.89 and 7,371.11 is: 10,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.66 : 17,593.89 = 7,371.11 : x
  2. Step 2: Convert to fraction form
    12,750.66/17,593.89 = 7,371.11/x
  3. Step 3: Cross multiply
    12,750.66x = 17,593.89 × 7,371.11
  4. Step 4: Simplify right side
    12,750.66x = 129,686,410.55
  5. Step 5: Solve for x
    x = 129,686,410.55/12,750.66
  6. Step 6: Final answer
    x = 10,170.96

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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.