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Finding the Fourth Proportional to 22,134.60, 33,201.10 and 8,986.60

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Solution

The fourth proportional to 22,134.60, 33,201.10 and 8,986.60 is: 13,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.60 : 33,201.10 = 8,986.60 : x
  2. Step 2: Convert to fraction form
    22,134.60/33,201.10 = 8,986.60/x
  3. Step 3: Cross multiply
    22,134.60x = 33,201.10 × 8,986.60
  4. Step 4: Simplify right side
    22,134.60x = 298,365,005.26
  5. Step 5: Solve for x
    x = 298,365,005.26/22,134.60
  6. Step 6: Final answer
    x = 13,479.58

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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.