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Finding the Fourth Proportional to 22,472.60, 33,666.78 and 18,798.44

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Solution

The fourth proportional to 22,472.60, 33,666.78 and 18,798.44 is: 28,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,472.60 : 33,666.78 = 18,798.44 : x
  2. Step 2: Convert to fraction form
    22,472.60/33,666.78 = 18,798.44/x
  3. Step 3: Cross multiply
    22,472.60x = 33,666.78 × 18,798.44
  4. Step 4: Simplify right side
    22,472.60x = 632,882,943.82
  5. Step 5: Solve for x
    x = 632,882,943.82/22,472.60
  6. Step 6: Final answer
    x = 28,162.43

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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.