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Finding the Fourth Proportional to 5,908.87, 8,866.40 and 3,828.34

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Solution

The fourth proportional to 5,908.87, 8,866.40 and 3,828.34 is: 5,744.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.87 : 8,866.40 = 3,828.34 : x
  2. Step 2: Convert to fraction form
    5,908.87/8,866.40 = 3,828.34/x
  3. Step 3: Cross multiply
    5,908.87x = 8,866.40 × 3,828.34
  4. Step 4: Simplify right side
    5,908.87x = 33,943,593.78
  5. Step 5: Solve for x
    x = 33,943,593.78/5,908.87
  6. Step 6: Final answer
    x = 5,744.52

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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.