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Finding the Fourth Proportional to 5,839.79, 8,745.44 and 3,068.78

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Solution

The fourth proportional to 5,839.79, 8,745.44 and 3,068.78 is: 4,595.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,839.79 : 8,745.44 = 3,068.78 : x
  2. Step 2: Convert to fraction form
    5,839.79/8,745.44 = 3,068.78/x
  3. Step 3: Cross multiply
    5,839.79x = 8,745.44 × 3,068.78
  4. Step 4: Simplify right side
    5,839.79x = 26,837,772.29
  5. Step 5: Solve for x
    x = 26,837,772.29/5,839.79
  6. Step 6: Final answer
    x = 4,595.68

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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.