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Finding the Fourth Proportional to 22,342.01, 30,833.06 and 12,270.33

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Solution

The fourth proportional to 22,342.01, 30,833.06 and 12,270.33 is: 16,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,342.01 : 30,833.06 = 12,270.33 : x
  2. Step 2: Convert to fraction form
    22,342.01/30,833.06 = 12,270.33/x
  3. Step 3: Cross multiply
    22,342.01x = 30,833.06 × 12,270.33
  4. Step 4: Simplify right side
    22,342.01x = 378,331,759.76
  5. Step 5: Solve for x
    x = 378,331,759.76/22,342.01
  6. Step 6: Final answer
    x = 16,933.65

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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.