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Finding the Fourth Proportional to 17,906.67, 26,860.01 and 6,219.90

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Solution

The fourth proportional to 17,906.67, 26,860.01 and 6,219.90 is: 9,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.67 : 26,860.01 = 6,219.90 : x
  2. Step 2: Convert to fraction form
    17,906.67/26,860.01 = 6,219.90/x
  3. Step 3: Cross multiply
    17,906.67x = 26,860.01 × 6,219.90
  4. Step 4: Simplify right side
    17,906.67x = 167,066,545.10
  5. Step 5: Solve for x
    x = 167,066,545.10/17,906.67
  6. Step 6: Final answer
    x = 9,329.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.