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Finding the Fourth Proportional to 8,744.88, 12,067.32 and 4,968.12

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Solution

The fourth proportional to 8,744.88, 12,067.32 and 4,968.12 is: 6,855.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.88 : 12,067.32 = 4,968.12 : x
  2. Step 2: Convert to fraction form
    8,744.88/12,067.32 = 4,968.12/x
  3. Step 3: Cross multiply
    8,744.88x = 12,067.32 × 4,968.12
  4. Step 4: Simplify right side
    8,744.88x = 59,951,893.84
  5. Step 5: Solve for x
    x = 59,951,893.84/8,744.88
  6. Step 6: Final answer
    x = 6,855.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.