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Finding the Fourth Proportional to 30,222.91, 41,707.06 and 16,793.92

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Solution

The fourth proportional to 30,222.91, 41,707.06 and 16,793.92 is: 23,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,222.91 : 41,707.06 = 16,793.92 : x
  2. Step 2: Convert to fraction form
    30,222.91/41,707.06 = 16,793.92/x
  3. Step 3: Cross multiply
    30,222.91x = 41,707.06 × 16,793.92
  4. Step 4: Simplify right side
    30,222.91x = 700,425,029.08
  5. Step 5: Solve for x
    x = 700,425,029.08/30,222.91
  6. Step 6: Final answer
    x = 23,175.30

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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.