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Finding the Fourth Proportional to 14,542.15, 21,815.08 and 5,183.11

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Solution

The fourth proportional to 14,542.15, 21,815.08 and 5,183.11 is: 7,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542.15 : 21,815.08 = 5,183.11 : x
  2. Step 2: Convert to fraction form
    14,542.15/21,815.08 = 5,183.11/x
  3. Step 3: Cross multiply
    14,542.15x = 21,815.08 × 5,183.11
  4. Step 4: Simplify right side
    14,542.15x = 113,069,959.30
  5. Step 5: Solve for x
    x = 113,069,959.30/14,542.15
  6. Step 6: Final answer
    x = 7,775.33

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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.