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Finding the Fourth Proportional to 22,264.70, 33,142.62 and 21,932.51

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Solution

The fourth proportional to 22,264.70, 33,142.62 and 21,932.51 is: 32,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,264.70 : 33,142.62 = 21,932.51 : x
  2. Step 2: Convert to fraction form
    22,264.70/33,142.62 = 21,932.51/x
  3. Step 3: Cross multiply
    22,264.70x = 33,142.62 × 21,932.51
  4. Step 4: Simplify right side
    22,264.70x = 726,900,734.91
  5. Step 5: Solve for x
    x = 726,900,734.91/22,264.70
  6. Step 6: Final answer
    x = 32,648.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.