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Finding the Fourth Proportional to 17,026.96, 25,550.44 and 7,667.40

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Solution

The fourth proportional to 17,026.96, 25,550.44 and 7,667.40 is: 11,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,026.96 : 25,550.44 = 7,667.40 : x
  2. Step 2: Convert to fraction form
    17,026.96/25,550.44 = 7,667.40/x
  3. Step 3: Cross multiply
    17,026.96x = 25,550.44 × 7,667.40
  4. Step 4: Simplify right side
    17,026.96x = 195,905,443.66
  5. Step 5: Solve for x
    x = 195,905,443.66/17,026.96
  6. Step 6: Final answer
    x = 11,505.60

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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.