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Finding the Fourth Proportional to 9,908.52, 13,673.72 and 5,930.20

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Solution

The fourth proportional to 9,908.52, 13,673.72 and 5,930.20 is: 8,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.52 : 13,673.72 = 5,930.20 : x
  2. Step 2: Convert to fraction form
    9,908.52/13,673.72 = 5,930.20/x
  3. Step 3: Cross multiply
    9,908.52x = 13,673.72 × 5,930.20
  4. Step 4: Simplify right side
    9,908.52x = 81,087,894.34
  5. Step 5: Solve for x
    x = 81,087,894.34/9,908.52
  6. Step 6: Final answer
    x = 8,183.65

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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.