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Finding the Fourth Proportional to 22,551.75, 33,866.07 and 18,799.68

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Solution

The fourth proportional to 22,551.75, 33,866.07 and 18,799.68 is: 28,231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,551.75 : 33,866.07 = 18,799.68 : x
  2. Step 2: Convert to fraction form
    22,551.75/33,866.07 = 18,799.68/x
  3. Step 3: Cross multiply
    22,551.75x = 33,866.07 × 18,799.68
  4. Step 4: Simplify right side
    22,551.75x = 636,671,278.86
  5. Step 5: Solve for x
    x = 636,671,278.86/22,551.75
  6. Step 6: Final answer
    x = 28,231.57

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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.