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Finding the Fourth Proportional to 3,886.92, 5,839.02 and 3,368.52

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Solution

The fourth proportional to 3,886.92, 5,839.02 and 3,368.52 is: 5,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.92 : 5,839.02 = 3,368.52 : x
  2. Step 2: Convert to fraction form
    3,886.92/5,839.02 = 3,368.52/x
  3. Step 3: Cross multiply
    3,886.92x = 5,839.02 × 3,368.52
  4. Step 4: Simplify right side
    3,886.92x = 19,668,855.65
  5. Step 5: Solve for x
    x = 19,668,855.65/3,886.92
  6. Step 6: Final answer
    x = 5,060.27

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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.