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Finding the Fourth Proportional to 3,762.32, 5,643.97 and 1,296.47

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Solution

The fourth proportional to 3,762.32, 5,643.97 and 1,296.47 is: 1,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.32 : 5,643.97 = 1,296.47 : x
  2. Step 2: Convert to fraction form
    3,762.32/5,643.97 = 1,296.47/x
  3. Step 3: Cross multiply
    3,762.32x = 5,643.97 × 1,296.47
  4. Step 4: Simplify right side
    3,762.32x = 7,317,248.65
  5. Step 5: Solve for x
    x = 7,317,248.65/3,762.32
  6. Step 6: Final answer
    x = 1,944.88

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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.