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Finding the Fourth Proportional to 22,354.92, 30,835.62 and 13,737.33

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Solution

The fourth proportional to 22,354.92, 30,835.62 and 13,737.33 is: 18,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,354.92 : 30,835.62 = 13,737.33 : x
  2. Step 2: Convert to fraction form
    22,354.92/30,835.62 = 13,737.33/x
  3. Step 3: Cross multiply
    22,354.92x = 30,835.62 × 13,737.33
  4. Step 4: Simplify right side
    22,354.92x = 423,599,087.69
  5. Step 5: Solve for x
    x = 423,599,087.69/22,354.92
  6. Step 6: Final answer
    x = 18,948.81

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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.