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Finding the Fourth Proportional to 21,906.70, 32,865.52 and 6,324.33

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Solution

The fourth proportional to 21,906.70, 32,865.52 and 6,324.33 is: 9,488.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,906.70 : 32,865.52 = 6,324.33 : x
  2. Step 2: Convert to fraction form
    21,906.70/32,865.52 = 6,324.33/x
  3. Step 3: Cross multiply
    21,906.70x = 32,865.52 × 6,324.33
  4. Step 4: Simplify right side
    21,906.70x = 207,852,346.31
  5. Step 5: Solve for x
    x = 207,852,346.31/21,906.70
  6. Step 6: Final answer
    x = 9,488.07

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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.