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Finding the Fourth Proportional to 7,294.82, 10,937.76 and 3,395.48

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Solution

The fourth proportional to 7,294.82, 10,937.76 and 3,395.48 is: 5,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294.82 : 10,937.76 = 3,395.48 : x
  2. Step 2: Convert to fraction form
    7,294.82/10,937.76 = 3,395.48/x
  3. Step 3: Cross multiply
    7,294.82x = 10,937.76 × 3,395.48
  4. Step 4: Simplify right side
    7,294.82x = 37,138,945.32
  5. Step 5: Solve for x
    x = 37,138,945.32/7,294.82
  6. Step 6: Final answer
    x = 5,091.14

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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.