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Finding the Fourth Proportional to 22,656.52, 33,986.94 and 8,607.88

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Solution

The fourth proportional to 22,656.52, 33,986.94 and 8,607.88 is: 12,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.52 : 33,986.94 = 8,607.88 : x
  2. Step 2: Convert to fraction form
    22,656.52/33,986.94 = 8,607.88/x
  3. Step 3: Cross multiply
    22,656.52x = 33,986.94 × 8,607.88
  4. Step 4: Simplify right side
    22,656.52x = 292,555,501.09
  5. Step 5: Solve for x
    x = 292,555,501.09/22,656.52
  6. Step 6: Final answer
    x = 12,912.64

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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.