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Finding the Fourth Proportional to 8,831.97, 12,187.88 and 4,853.09

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Solution

The fourth proportional to 8,831.97, 12,187.88 and 4,853.09 is: 6,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.97 : 12,187.88 = 4,853.09 : x
  2. Step 2: Convert to fraction form
    8,831.97/12,187.88 = 4,853.09/x
  3. Step 3: Cross multiply
    8,831.97x = 12,187.88 × 4,853.09
  4. Step 4: Simplify right side
    8,831.97x = 59,148,811.54
  5. Step 5: Solve for x
    x = 59,148,811.54/8,831.97
  6. Step 6: Final answer
    x = 6,697.12

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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.