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Finding the Fourth Proportional to 15,906.66, 21,952.50 and 8,833.54

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Solution

The fourth proportional to 15,906.66, 21,952.50 and 8,833.54 is: 12,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.66 : 21,952.50 = 8,833.54 : x
  2. Step 2: Convert to fraction form
    15,906.66/21,952.50 = 8,833.54/x
  3. Step 3: Cross multiply
    15,906.66x = 21,952.50 × 8,833.54
  4. Step 4: Simplify right side
    15,906.66x = 193,918,286.85
  5. Step 5: Solve for x
    x = 193,918,286.85/15,906.66
  6. Step 6: Final answer
    x = 12,191.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.