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Finding the Fourth Proportional to 22,415.27, 33,615.05 and 6,616.08

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Solution

The fourth proportional to 22,415.27, 33,615.05 and 6,616.08 is: 9,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415.27 : 33,615.05 = 6,616.08 : x
  2. Step 2: Convert to fraction form
    22,415.27/33,615.05 = 6,616.08/x
  3. Step 3: Cross multiply
    22,415.27x = 33,615.05 × 6,616.08
  4. Step 4: Simplify right side
    22,415.27x = 222,399,952.98
  5. Step 5: Solve for x
    x = 222,399,952.98/22,415.27
  6. Step 6: Final answer
    x = 9,921.81

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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.