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Finding the Fourth Proportional to 22,659.05, 33,988.59 and 8,615.84

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Solution

The fourth proportional to 22,659.05, 33,988.59 and 8,615.84 is: 12,923.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.05 : 33,988.59 = 8,615.84 : x
  2. Step 2: Convert to fraction form
    22,659.05/33,988.59 = 8,615.84/x
  3. Step 3: Cross multiply
    22,659.05x = 33,988.59 × 8,615.84
  4. Step 4: Simplify right side
    22,659.05x = 292,840,059.09
  5. Step 5: Solve for x
    x = 292,840,059.09/22,659.05
  6. Step 6: Final answer
    x = 12,923.76

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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.