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Finding the Fourth Proportional to 17,896.65, 26,849.84 and 6,210.78

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Solution

The fourth proportional to 17,896.65, 26,849.84 and 6,210.78 is: 9,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,896.65 : 26,849.84 = 6,210.78 : x
  2. Step 2: Convert to fraction form
    17,896.65/26,849.84 = 6,210.78/x
  3. Step 3: Cross multiply
    17,896.65x = 26,849.84 × 6,210.78
  4. Step 4: Simplify right side
    17,896.65x = 166,758,351.10
  5. Step 5: Solve for x
    x = 166,758,351.10/17,896.65
  6. Step 6: Final answer
    x = 9,317.85

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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.