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Finding the Fourth Proportional to 22,472.25, 33,537.50 and 19,981.22

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Solution

The fourth proportional to 22,472.25, 33,537.50 and 19,981.22 is: 29,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,472.25 : 33,537.50 = 19,981.22 : x
  2. Step 2: Convert to fraction form
    22,472.25/33,537.50 = 19,981.22/x
  3. Step 3: Cross multiply
    22,472.25x = 33,537.50 × 19,981.22
  4. Step 4: Simplify right side
    22,472.25x = 670,119,898.16
  5. Step 5: Solve for x
    x = 670,119,898.16/22,472.25
  6. Step 6: Final answer
    x = 29,819.88

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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.