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Finding the Fourth Proportional to 22,615.35, 33,923.05 and 7,816.20

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Solution

The fourth proportional to 22,615.35, 33,923.05 and 7,816.20 is: 11,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,615.35 : 33,923.05 = 7,816.20 : x
  2. Step 2: Convert to fraction form
    22,615.35/33,923.05 = 7,816.20/x
  3. Step 3: Cross multiply
    22,615.35x = 33,923.05 × 7,816.20
  4. Step 4: Simplify right side
    22,615.35x = 265,149,240.62
  5. Step 5: Solve for x
    x = 265,149,240.62/22,615.35
  6. Step 6: Final answer
    x = 11,724.30

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Similar ratio
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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.