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Finding the Fourth Proportional to 22,418.93, 33,612.66 and 9,932.18

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Solution

The fourth proportional to 22,418.93, 33,612.66 and 9,932.18 is: 14,891.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418.93 : 33,612.66 = 9,932.18 : x
  2. Step 2: Convert to fraction form
    22,418.93/33,612.66 = 9,932.18/x
  3. Step 3: Cross multiply
    22,418.93x = 33,612.66 × 9,932.18
  4. Step 4: Simplify right side
    22,418.93x = 333,846,821.34
  5. Step 5: Solve for x
    x = 333,846,821.34/22,418.93
  6. Step 6: Final answer
    x = 14,891.29

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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.