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Finding the Fourth Proportional to 12,685.01, 17,501.04 and 7,375.46

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Solution

The fourth proportional to 12,685.01, 17,501.04 and 7,375.46 is: 10,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685.01 : 17,501.04 = 7,375.46 : x
  2. Step 2: Convert to fraction form
    12,685.01/17,501.04 = 7,375.46/x
  3. Step 3: Cross multiply
    12,685.01x = 17,501.04 × 7,375.46
  4. Step 4: Simplify right side
    12,685.01x = 129,078,132.97
  5. Step 5: Solve for x
    x = 129,078,132.97/12,685.01
  6. Step 6: Final answer
    x = 10,175.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.