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Finding the Fourth Proportional to 2,185.01, 3,277.42 and 868.71

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Solution

The fourth proportional to 2,185.01, 3,277.42 and 868.71 is: 1,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.01 : 3,277.42 = 868.71 : x
  2. Step 2: Convert to fraction form
    2,185.01/3,277.42 = 868.71/x
  3. Step 3: Cross multiply
    2,185.01x = 3,277.42 × 868.71
  4. Step 4: Simplify right side
    2,185.01x = 2,847,118.41
  5. Step 5: Solve for x
    x = 2,847,118.41/2,185.01
  6. Step 6: Final answer
    x = 1,303.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.