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Finding the Fourth Proportional to 11,452.87, 17,187 and 4,057.30

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Solution

The fourth proportional to 11,452.87, 17,187 and 4,057.30 is: 6,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,452.87 : 17,187 = 4,057.30 : x
  2. Step 2: Convert to fraction form
    11,452.87/17,187 = 4,057.30/x
  3. Step 3: Cross multiply
    11,452.87x = 17,187 × 4,057.30
  4. Step 4: Simplify right side
    11,452.87x = 69,732,815.10
  5. Step 5: Solve for x
    x = 69,732,815.10/11,452.87
  6. Step 6: Final answer
    x = 6,088.68

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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.