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Finding the Fourth Proportional to 4,867.89, 7,301.84 and 1,357.91

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Solution

The fourth proportional to 4,867.89, 7,301.84 and 1,357.91 is: 2,036.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.89 : 7,301.84 = 1,357.91 : x
  2. Step 2: Convert to fraction form
    4,867.89/7,301.84 = 1,357.91/x
  3. Step 3: Cross multiply
    4,867.89x = 7,301.84 × 1,357.91
  4. Step 4: Simplify right side
    4,867.89x = 9,915,198.26
  5. Step 5: Solve for x
    x = 9,915,198.26/4,867.89
  6. Step 6: Final answer
    x = 2,036.86

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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.