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Finding the Fourth Proportional to 22,166.70, 33,201.45 and 19,250.70

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Solution

The fourth proportional to 22,166.70, 33,201.45 and 19,250.70 is: 28,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166.70 : 33,201.45 = 19,250.70 : x
  2. Step 2: Convert to fraction form
    22,166.70/33,201.45 = 19,250.70/x
  3. Step 3: Cross multiply
    22,166.70x = 33,201.45 × 19,250.70
  4. Step 4: Simplify right side
    22,166.70x = 639,151,153.52
  5. Step 5: Solve for x
    x = 639,151,153.52/22,166.70
  6. Step 6: Final answer
    x = 28,833.84

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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.