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Finding the Fourth Proportional to 8,831.40, 12,183.88 and 5,052.54

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Solution

The fourth proportional to 8,831.40, 12,183.88 and 5,052.54 is: 6,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.40 : 12,183.88 = 5,052.54 : x
  2. Step 2: Convert to fraction form
    8,831.40/12,183.88 = 5,052.54/x
  3. Step 3: Cross multiply
    8,831.40x = 12,183.88 × 5,052.54
  4. Step 4: Simplify right side
    8,831.40x = 61,559,541.06
  5. Step 5: Solve for x
    x = 61,559,541.06/8,831.40
  6. Step 6: Final answer
    x = 6,970.53

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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.