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Finding the Fourth Proportional to 3,329.96, 4,987.42 and 1,599.88

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Solution

The fourth proportional to 3,329.96, 4,987.42 and 1,599.88 is: 2,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.96 : 4,987.42 = 1,599.88 : x
  2. Step 2: Convert to fraction form
    3,329.96/4,987.42 = 1,599.88/x
  3. Step 3: Cross multiply
    3,329.96x = 4,987.42 × 1,599.88
  4. Step 4: Simplify right side
    3,329.96x = 7,979,273.51
  5. Step 5: Solve for x
    x = 7,979,273.51/3,329.96
  6. Step 6: Final answer
    x = 2,396.21

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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.