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Finding the Fourth Proportional to 22,560.90, 33,834.78 and 6,765.30

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Solution

The fourth proportional to 22,560.90, 33,834.78 and 6,765.30 is: 10,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,560.90 : 33,834.78 = 6,765.30 : x
  2. Step 2: Convert to fraction form
    22,560.90/33,834.78 = 6,765.30/x
  3. Step 3: Cross multiply
    22,560.90x = 33,834.78 × 6,765.30
  4. Step 4: Simplify right side
    22,560.90x = 228,902,437.13
  5. Step 5: Solve for x
    x = 228,902,437.13/22,560.90
  6. Step 6: Final answer
    x = 10,145.98

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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.