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Finding the Fourth Proportional to 22,659.63, 33,989.31 and 8,808.63

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Solution

The fourth proportional to 22,659.63, 33,989.31 and 8,808.63 is: 13,212.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.63 : 33,989.31 = 8,808.63 : x
  2. Step 2: Convert to fraction form
    22,659.63/33,989.31 = 8,808.63/x
  3. Step 3: Cross multiply
    22,659.63x = 33,989.31 × 8,808.63
  4. Step 4: Simplify right side
    22,659.63x = 299,399,255.75
  5. Step 5: Solve for x
    x = 299,399,255.75/22,659.63
  6. Step 6: Final answer
    x = 13,212.89

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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.