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Finding the Fourth Proportional to 2,993.76, 4,488.24 and 2,007.60

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Solution

The fourth proportional to 2,993.76, 4,488.24 and 2,007.60 is: 3,009.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.76 : 4,488.24 = 2,007.60 : x
  2. Step 2: Convert to fraction form
    2,993.76/4,488.24 = 2,007.60/x
  3. Step 3: Cross multiply
    2,993.76x = 4,488.24 × 2,007.60
  4. Step 4: Simplify right side
    2,993.76x = 9,010,590.62
  5. Step 5: Solve for x
    x = 9,010,590.62/2,993.76
  6. Step 6: Final answer
    x = 3,009.79

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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.