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Finding the Fourth Proportional to 6,754.31, 9,322.03 and 3,959.81

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Solution

The fourth proportional to 6,754.31, 9,322.03 and 3,959.81 is: 5,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.31 : 9,322.03 = 3,959.81 : x
  2. Step 2: Convert to fraction form
    6,754.31/9,322.03 = 3,959.81/x
  3. Step 3: Cross multiply
    6,754.31x = 9,322.03 × 3,959.81
  4. Step 4: Simplify right side
    6,754.31x = 36,913,495.87
  5. Step 5: Solve for x
    x = 36,913,495.87/6,754.31
  6. Step 6: Final answer
    x = 5,465.17

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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.