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Finding the Fourth Proportional to 22,645.45, 33,957.34 and 8,404.15

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Solution

The fourth proportional to 22,645.45, 33,957.34 and 8,404.15 is: 12,602.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,645.45 : 33,957.34 = 8,404.15 : x
  2. Step 2: Convert to fraction form
    22,645.45/33,957.34 = 8,404.15/x
  3. Step 3: Cross multiply
    22,645.45x = 33,957.34 × 8,404.15
  4. Step 4: Simplify right side
    22,645.45x = 285,382,367.15
  5. Step 5: Solve for x
    x = 285,382,367.15/22,645.45
  6. Step 6: Final answer
    x = 12,602.20

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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.