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Finding the Fourth Proportional to 13,041.17, 17,997.72 and 7,375.97

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Solution

The fourth proportional to 13,041.17, 17,997.72 and 7,375.97 is: 10,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.17 : 17,997.72 = 7,375.97 : x
  2. Step 2: Convert to fraction form
    13,041.17/17,997.72 = 7,375.97/x
  3. Step 3: Cross multiply
    13,041.17x = 17,997.72 × 7,375.97
  4. Step 4: Simplify right side
    13,041.17x = 132,750,552.80
  5. Step 5: Solve for x
    x = 132,750,552.80/13,041.17
  6. Step 6: Final answer
    x = 10,179.35

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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.