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Finding the Fourth Proportional to 4,133.70, 6,194.88 and 2,831.22

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Solution

The fourth proportional to 4,133.70, 6,194.88 and 2,831.22 is: 4,242.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,133.70 : 6,194.88 = 2,831.22 : x
  2. Step 2: Convert to fraction form
    4,133.70/6,194.88 = 2,831.22/x
  3. Step 3: Cross multiply
    4,133.70x = 6,194.88 × 2,831.22
  4. Step 4: Simplify right side
    4,133.70x = 17,539,068.15
  5. Step 5: Solve for x
    x = 17,539,068.15/4,133.70
  6. Step 6: Final answer
    x = 4,242.95

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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.