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Finding the Fourth Proportional to 17,890.48, 26,840.04 and 6,203.44

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Solution

The fourth proportional to 17,890.48, 26,840.04 and 6,203.44 is: 9,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.48 : 26,840.04 = 6,203.44 : x
  2. Step 2: Convert to fraction form
    17,890.48/26,840.04 = 6,203.44/x
  3. Step 3: Cross multiply
    17,890.48x = 26,840.04 × 6,203.44
  4. Step 4: Simplify right side
    17,890.48x = 166,500,577.74
  5. Step 5: Solve for x
    x = 166,500,577.74/17,890.48
  6. Step 6: Final answer
    x = 9,306.66

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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.