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Finding the Fourth Proportional to 3,950.00, 5,924.34 and 1,319.32

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Solution

The fourth proportional to 3,950.00, 5,924.34 and 1,319.32 is: 1,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.00 : 5,924.34 = 1,319.32 : x
  2. Step 2: Convert to fraction form
    3,950.00/5,924.34 = 1,319.32/x
  3. Step 3: Cross multiply
    3,950.00x = 5,924.34 × 1,319.32
  4. Step 4: Simplify right side
    3,950.00x = 7,816,107.65
  5. Step 5: Solve for x
    x = 7,816,107.65/3,950.00
  6. Step 6: Final answer
    x = 1,978.76

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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.