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Finding the Fourth Proportional to 22,390.96, 33,591.84 and 15,829.96

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Solution

The fourth proportional to 22,390.96, 33,591.84 and 15,829.96 is: 23,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390.96 : 33,591.84 = 15,829.96 : x
  2. Step 2: Convert to fraction form
    22,390.96/33,591.84 = 15,829.96/x
  3. Step 3: Cross multiply
    22,390.96x = 33,591.84 × 15,829.96
  4. Step 4: Simplify right side
    22,390.96x = 531,757,483.53
  5. Step 5: Solve for x
    x = 531,757,483.53/22,390.96
  6. Step 6: Final answer
    x = 23,748.76

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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.