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Finding the Fourth Proportional to 5,346.81, 7,375.81 and 3,578.07

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Solution

The fourth proportional to 5,346.81, 7,375.81 and 3,578.07 is: 4,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.81 : 7,375.81 = 3,578.07 : x
  2. Step 2: Convert to fraction form
    5,346.81/7,375.81 = 3,578.07/x
  3. Step 3: Cross multiply
    5,346.81x = 7,375.81 × 3,578.07
  4. Step 4: Simplify right side
    5,346.81x = 26,391,189.91
  5. Step 5: Solve for x
    x = 26,391,189.91/5,346.81
  6. Step 6: Final answer
    x = 4,935.88

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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.