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Finding the Fourth Proportional to 22,704.36, 34,057.82 and 6,909.90

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Solution

The fourth proportional to 22,704.36, 34,057.82 and 6,909.90 is: 10,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.36 : 34,057.82 = 6,909.90 : x
  2. Step 2: Convert to fraction form
    22,704.36/34,057.82 = 6,909.90/x
  3. Step 3: Cross multiply
    22,704.36x = 34,057.82 × 6,909.90
  4. Step 4: Simplify right side
    22,704.36x = 235,336,095.87
  5. Step 5: Solve for x
    x = 235,336,095.87/22,704.36
  6. Step 6: Final answer
    x = 10,365.24

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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.