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Finding the Fourth Proportional to 17,751.12, 26,626.06 and 7,218.01

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Solution

The fourth proportional to 17,751.12, 26,626.06 and 7,218.01 is: 10,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.12 : 26,626.06 = 7,218.01 : x
  2. Step 2: Convert to fraction form
    17,751.12/26,626.06 = 7,218.01/x
  3. Step 3: Cross multiply
    17,751.12x = 26,626.06 × 7,218.01
  4. Step 4: Simplify right side
    17,751.12x = 192,187,167.34
  5. Step 5: Solve for x
    x = 192,187,167.34/17,751.12
  6. Step 6: Final answer
    x = 10,826.76

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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.