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Finding the Fourth Proportional to 16,210.62, 22,370.67 and 8,758.62

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Solution

The fourth proportional to 16,210.62, 22,370.67 and 8,758.62 is: 12,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,210.62 : 22,370.67 = 8,758.62 : x
  2. Step 2: Convert to fraction form
    16,210.62/22,370.67 = 8,758.62/x
  3. Step 3: Cross multiply
    16,210.62x = 22,370.67 × 8,758.62
  4. Step 4: Simplify right side
    16,210.62x = 195,936,197.68
  5. Step 5: Solve for x
    x = 195,936,197.68/16,210.62
  6. Step 6: Final answer
    x = 12,086.90

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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.