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Finding the Fourth Proportional to 2,739.52, 4,109.33 and 984.62

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Solution

The fourth proportional to 2,739.52, 4,109.33 and 984.62 is: 1,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.52 : 4,109.33 = 984.62 : x
  2. Step 2: Convert to fraction form
    2,739.52/4,109.33 = 984.62/x
  3. Step 3: Cross multiply
    2,739.52x = 4,109.33 × 984.62
  4. Step 4: Simplify right side
    2,739.52x = 4,046,141.24
  5. Step 5: Solve for x
    x = 4,046,141.24/2,739.52
  6. Step 6: Final answer
    x = 1,476.95

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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.