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Finding the Fourth Proportional to 8,894.75, 13,344.02 and 2,655.25

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Solution

The fourth proportional to 8,894.75, 13,344.02 and 2,655.25 is: 3,983.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.75 : 13,344.02 = 2,655.25 : x
  2. Step 2: Convert to fraction form
    8,894.75/13,344.02 = 2,655.25/x
  3. Step 3: Cross multiply
    8,894.75x = 13,344.02 × 2,655.25
  4. Step 4: Simplify right side
    8,894.75x = 35,431,682.38
  5. Step 5: Solve for x
    x = 35,431,682.38/8,894.75
  6. Step 6: Final answer
    x = 3,983.44

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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.