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Finding the Fourth Proportional to 5,891.27, 8,831.43 and 1,993.01

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Solution

The fourth proportional to 5,891.27, 8,831.43 and 1,993.01 is: 2,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.27 : 8,831.43 = 1,993.01 : x
  2. Step 2: Convert to fraction form
    5,891.27/8,831.43 = 1,993.01/x
  3. Step 3: Cross multiply
    5,891.27x = 8,831.43 × 1,993.01
  4. Step 4: Simplify right side
    5,891.27x = 17,601,084.15
  5. Step 5: Solve for x
    x = 17,601,084.15/5,891.27
  6. Step 6: Final answer
    x = 2,987.66

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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.