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Finding the Fourth Proportional to 3,022.44, 4,533.66 and 831.18

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Solution

The fourth proportional to 3,022.44, 4,533.66 and 831.18 is: 1,246.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.44 : 4,533.66 = 831.18 : x
  2. Step 2: Convert to fraction form
    3,022.44/4,533.66 = 831.18/x
  3. Step 3: Cross multiply
    3,022.44x = 4,533.66 × 831.18
  4. Step 4: Simplify right side
    3,022.44x = 3,768,287.52
  5. Step 5: Solve for x
    x = 3,768,287.52/3,022.44
  6. Step 6: Final answer
    x = 1,246.77

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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.