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Finding the Fourth Proportional to 9,073.75, 13,610.63 and 2,917.75

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Solution

The fourth proportional to 9,073.75, 13,610.63 and 2,917.75 is: 4,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,073.75 : 13,610.63 = 2,917.75 : x
  2. Step 2: Convert to fraction form
    9,073.75/13,610.63 = 2,917.75/x
  3. Step 3: Cross multiply
    9,073.75x = 13,610.63 × 2,917.75
  4. Step 4: Simplify right side
    9,073.75x = 39,712,401.09
  5. Step 5: Solve for x
    x = 39,712,401.09/9,073.75
  6. Step 6: Final answer
    x = 4,376.63

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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.