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Finding the Fourth Proportional to 5,326.81, 7,352.43 and 3,839.02

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Solution

The fourth proportional to 5,326.81, 7,352.43 and 3,839.02 is: 5,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.81 : 7,352.43 = 3,839.02 : x
  2. Step 2: Convert to fraction form
    5,326.81/7,352.43 = 3,839.02/x
  3. Step 3: Cross multiply
    5,326.81x = 7,352.43 × 3,839.02
  4. Step 4: Simplify right side
    5,326.81x = 28,226,125.82
  5. Step 5: Solve for x
    x = 28,226,125.82/5,326.81
  6. Step 6: Final answer
    x = 5,298.88

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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.