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Finding the Fourth Proportional to 22,817.70, 34,226.55 and 19,901.70

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Solution

The fourth proportional to 22,817.70, 34,226.55 and 19,901.70 is: 29,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,817.70 : 34,226.55 = 19,901.70 : x
  2. Step 2: Convert to fraction form
    22,817.70/34,226.55 = 19,901.70/x
  3. Step 3: Cross multiply
    22,817.70x = 34,226.55 × 19,901.70
  4. Step 4: Simplify right side
    22,817.70x = 681,166,530.14
  5. Step 5: Solve for x
    x = 681,166,530.14/22,817.70
  6. Step 6: Final answer
    x = 29,852.55

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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.