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Finding the Fourth Proportional to 5,238.87, 7,859.99 and 1,952.43

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Solution

The fourth proportional to 5,238.87, 7,859.99 and 1,952.43 is: 2,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.87 : 7,859.99 = 1,952.43 : x
  2. Step 2: Convert to fraction form
    5,238.87/7,859.99 = 1,952.43/x
  3. Step 3: Cross multiply
    5,238.87x = 7,859.99 × 1,952.43
  4. Step 4: Simplify right side
    5,238.87x = 15,346,080.28
  5. Step 5: Solve for x
    x = 15,346,080.28/5,238.87
  6. Step 6: Final answer
    x = 2,929.27

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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.