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Finding the Fourth Proportional to 6,908.88, 9,534.18 and 3,765

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Solution

The fourth proportional to 6,908.88, 9,534.18 and 3,765 is: 5,195.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.88 : 9,534.18 = 3,765 : x
  2. Step 2: Convert to fraction form
    6,908.88/9,534.18 = 3,765/x
  3. Step 3: Cross multiply
    6,908.88x = 9,534.18 × 3,765
  4. Step 4: Simplify right side
    6,908.88x = 35,896,187.70
  5. Step 5: Solve for x
    x = 35,896,187.70/6,908.88
  6. Step 6: Final answer
    x = 5,195.66

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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.