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Finding the Fourth Proportional to 17,757.08, 26,647.50 and 7,368.84

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Solution

The fourth proportional to 17,757.08, 26,647.50 and 7,368.84 is: 11,058.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757.08 : 26,647.50 = 7,368.84 : x
  2. Step 2: Convert to fraction form
    17,757.08/26,647.50 = 7,368.84/x
  3. Step 3: Cross multiply
    17,757.08x = 26,647.50 × 7,368.84
  4. Step 4: Simplify right side
    17,757.08x = 196,361,163.90
  5. Step 5: Solve for x
    x = 196,361,163.90/17,757.08
  6. Step 6: Final answer
    x = 11,058.19

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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.