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Finding the Fourth Proportional to 5,921.65, 8,873.99 and 4,349.31

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Solution

The fourth proportional to 5,921.65, 8,873.99 and 4,349.31 is: 6,517.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.65 : 8,873.99 = 4,349.31 : x
  2. Step 2: Convert to fraction form
    5,921.65/8,873.99 = 4,349.31/x
  3. Step 3: Cross multiply
    5,921.65x = 8,873.99 × 4,349.31
  4. Step 4: Simplify right side
    5,921.65x = 38,595,733.45
  5. Step 5: Solve for x
    x = 38,595,733.45/5,921.65
  6. Step 6: Final answer
    x = 6,517.73

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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.