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Finding the Fourth Proportional to 5,339.65, 8,007.63 and 2,007.31

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Solution

The fourth proportional to 5,339.65, 8,007.63 and 2,007.31 is: 3,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.65 : 8,007.63 = 2,007.31 : x
  2. Step 2: Convert to fraction form
    5,339.65/8,007.63 = 2,007.31/x
  3. Step 3: Cross multiply
    5,339.65x = 8,007.63 × 2,007.31
  4. Step 4: Simplify right side
    5,339.65x = 16,073,795.78
  5. Step 5: Solve for x
    x = 16,073,795.78/5,339.65
  6. Step 6: Final answer
    x = 3,010.27

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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.