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Finding the Fourth Proportional to 17,395.72, 26,069.99 and 8,015.11

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Solution

The fourth proportional to 17,395.72, 26,069.99 and 8,015.11 is: 12,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,395.72 : 26,069.99 = 8,015.11 : x
  2. Step 2: Convert to fraction form
    17,395.72/26,069.99 = 8,015.11/x
  3. Step 3: Cross multiply
    17,395.72x = 26,069.99 × 8,015.11
  4. Step 4: Simplify right side
    17,395.72x = 208,953,732.30
  5. Step 5: Solve for x
    x = 208,953,732.30/17,395.72
  6. Step 6: Final answer
    x = 12,011.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.