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Finding the Fourth Proportional to 9,993.58, 13,792.95 and 5,960.67

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Solution

The fourth proportional to 9,993.58, 13,792.95 and 5,960.67 is: 8,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.58 : 13,792.95 = 5,960.67 : x
  2. Step 2: Convert to fraction form
    9,993.58/13,792.95 = 5,960.67/x
  3. Step 3: Cross multiply
    9,993.58x = 13,792.95 × 5,960.67
  4. Step 4: Simplify right side
    9,993.58x = 82,215,249.14
  5. Step 5: Solve for x
    x = 82,215,249.14/9,993.58
  6. Step 6: Final answer
    x = 8,226.80

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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.