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Finding the Fourth Proportional to 17,909.88, 26,865.06 and 6,223.32

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Solution

The fourth proportional to 17,909.88, 26,865.06 and 6,223.32 is: 9,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.88 : 26,865.06 = 6,223.32 : x
  2. Step 2: Convert to fraction form
    17,909.88/26,865.06 = 6,223.32/x
  3. Step 3: Cross multiply
    17,909.88x = 26,865.06 × 6,223.32
  4. Step 4: Simplify right side
    17,909.88x = 167,189,865.20
  5. Step 5: Solve for x
    x = 167,189,865.20/17,909.88
  6. Step 6: Final answer
    x = 9,335.06

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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.