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Finding the Fourth Proportional to 22,263.70, 33,385.71 and 6,678.34

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Solution

The fourth proportional to 22,263.70, 33,385.71 and 6,678.34 is: 10,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,263.70 : 33,385.71 = 6,678.34 : x
  2. Step 2: Convert to fraction form
    22,263.70/33,385.71 = 6,678.34/x
  3. Step 3: Cross multiply
    22,263.70x = 33,385.71 × 6,678.34
  4. Step 4: Simplify right side
    22,263.70x = 222,961,122.52
  5. Step 5: Solve for x
    x = 222,961,122.52/22,263.70
  6. Step 6: Final answer
    x = 10,014.56

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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.