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Finding the Fourth Proportional to 22,467.31, 33,701.77 and 8,425.91

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Solution

The fourth proportional to 22,467.31, 33,701.77 and 8,425.91 is: 12,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,467.31 : 33,701.77 = 8,425.91 : x
  2. Step 2: Convert to fraction form
    22,467.31/33,701.77 = 8,425.91/x
  3. Step 3: Cross multiply
    22,467.31x = 33,701.77 × 8,425.91
  4. Step 4: Simplify right side
    22,467.31x = 283,968,175.65
  5. Step 5: Solve for x
    x = 283,968,175.65/22,467.31
  6. Step 6: Final answer
    x = 12,639.17

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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.