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Finding the Fourth Proportional to 9,050.67, 13,589.78 and 8,605.17

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Solution

The fourth proportional to 9,050.67, 13,589.78 and 8,605.17 is: 12,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.67 : 13,589.78 = 8,605.17 : x
  2. Step 2: Convert to fraction form
    9,050.67/13,589.78 = 8,605.17/x
  3. Step 3: Cross multiply
    9,050.67x = 13,589.78 × 8,605.17
  4. Step 4: Simplify right side
    9,050.67x = 116,942,324.14
  5. Step 5: Solve for x
    x = 116,942,324.14/9,050.67
  6. Step 6: Final answer
    x = 12,920.85

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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.