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Finding the Fourth Proportional to 5,955.16, 8,219.72 and 3,715.71

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Solution

The fourth proportional to 5,955.16, 8,219.72 and 3,715.71 is: 5,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,955.16 : 8,219.72 = 3,715.71 : x
  2. Step 2: Convert to fraction form
    5,955.16/8,219.72 = 3,715.71/x
  3. Step 3: Cross multiply
    5,955.16x = 8,219.72 × 3,715.71
  4. Step 4: Simplify right side
    5,955.16x = 30,542,105.09
  5. Step 5: Solve for x
    x = 30,542,105.09/5,955.16
  6. Step 6: Final answer
    x = 5,128.68

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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.