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Finding the Fourth Proportional to 17,758.35, 26,619.04 and 7,223.85

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Solution

The fourth proportional to 17,758.35, 26,619.04 and 7,223.85 is: 10,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,758.35 : 26,619.04 = 7,223.85 : x
  2. Step 2: Convert to fraction form
    17,758.35/26,619.04 = 7,223.85/x
  3. Step 3: Cross multiply
    17,758.35x = 26,619.04 × 7,223.85
  4. Step 4: Simplify right side
    17,758.35x = 192,291,952.10
  5. Step 5: Solve for x
    x = 192,291,952.10/17,758.35
  6. Step 6: Final answer
    x = 10,828.26

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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.