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Finding the Fourth Proportional to 7,325.97, 10,981.15 and 2,394.28

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Solution

The fourth proportional to 7,325.97, 10,981.15 and 2,394.28 is: 3,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.97 : 10,981.15 = 2,394.28 : x
  2. Step 2: Convert to fraction form
    7,325.97/10,981.15 = 2,394.28/x
  3. Step 3: Cross multiply
    7,325.97x = 10,981.15 × 2,394.28
  4. Step 4: Simplify right side
    7,325.97x = 26,291,947.82
  5. Step 5: Solve for x
    x = 26,291,947.82/7,325.97
  6. Step 6: Final answer
    x = 3,588.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.