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Finding the Fourth Proportional to 22,173.87, 30,591.90 and 17,070.94

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Solution

The fourth proportional to 22,173.87, 30,591.90 and 17,070.94 is: 23,551.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,173.87 : 30,591.90 = 17,070.94 : x
  2. Step 2: Convert to fraction form
    22,173.87/30,591.90 = 17,070.94/x
  3. Step 3: Cross multiply
    22,173.87x = 30,591.90 × 17,070.94
  4. Step 4: Simplify right side
    22,173.87x = 522,232,489.39
  5. Step 5: Solve for x
    x = 522,232,489.39/22,173.87
  6. Step 6: Final answer
    x = 23,551.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.