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Finding the Fourth Proportional to 22,807.21, 34,212.64 and 8,019.44

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Solution

The fourth proportional to 22,807.21, 34,212.64 and 8,019.44 is: 12,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,807.21 : 34,212.64 = 8,019.44 : x
  2. Step 2: Convert to fraction form
    22,807.21/34,212.64 = 8,019.44/x
  3. Step 3: Cross multiply
    22,807.21x = 34,212.64 × 8,019.44
  4. Step 4: Simplify right side
    22,807.21x = 274,366,213.72
  5. Step 5: Solve for x
    x = 274,366,213.72/22,807.21
  6. Step 6: Final answer
    x = 12,029.80

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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.