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Finding the Fourth Proportional to 9,067.16, 13,611.74 and 8,607.88

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Solution

The fourth proportional to 9,067.16, 13,611.74 and 8,607.88 is: 12,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,067.16 : 13,611.74 = 8,607.88 : x
  2. Step 2: Convert to fraction form
    9,067.16/13,611.74 = 8,607.88/x
  3. Step 3: Cross multiply
    9,067.16x = 13,611.74 × 8,607.88
  4. Step 4: Simplify right side
    9,067.16x = 117,168,224.51
  5. Step 5: Solve for x
    x = 117,168,224.51/9,067.16
  6. Step 6: Final answer
    x = 12,922.26

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1.5x scale

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.