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Finding the Fourth Proportional to 2,776.46, 3,831.52 and 1,517.49

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Solution

The fourth proportional to 2,776.46, 3,831.52 and 1,517.49 is: 2,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.46 : 3,831.52 = 1,517.49 : x
  2. Step 2: Convert to fraction form
    2,776.46/3,831.52 = 1,517.49/x
  3. Step 3: Cross multiply
    2,776.46x = 3,831.52 × 1,517.49
  4. Step 4: Simplify right side
    2,776.46x = 5,814,289.49
  5. Step 5: Solve for x
    x = 5,814,289.49/2,776.46
  6. Step 6: Final answer
    x = 2,094.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.