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Finding the Fourth Proportional to 6,792.99, 10,190.95 and 2,112.91

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Solution

The fourth proportional to 6,792.99, 10,190.95 and 2,112.91 is: 3,169.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792.99 : 10,190.95 = 2,112.91 : x
  2. Step 2: Convert to fraction form
    6,792.99/10,190.95 = 2,112.91/x
  3. Step 3: Cross multiply
    6,792.99x = 10,190.95 × 2,112.91
  4. Step 4: Simplify right side
    6,792.99x = 21,532,560.16
  5. Step 5: Solve for x
    x = 21,532,560.16/6,792.99
  6. Step 6: Final answer
    x = 3,169.82

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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.