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Finding the Fourth Proportional to 12,751.05, 17,593.95 and 7,446.09

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Solution

The fourth proportional to 12,751.05, 17,593.95 and 7,446.09 is: 10,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,751.05 : 17,593.95 = 7,446.09 : x
  2. Step 2: Convert to fraction form
    12,751.05/17,593.95 = 7,446.09/x
  3. Step 3: Cross multiply
    12,751.05x = 17,593.95 × 7,446.09
  4. Step 4: Simplify right side
    12,751.05x = 131,006,135.16
  5. Step 5: Solve for x
    x = 131,006,135.16/12,751.05
  6. Step 6: Final answer
    x = 10,274.14

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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.