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Finding the Fourth Proportional to 6,936.28, 9,572.16 and 3,792.46

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Solution

The fourth proportional to 6,936.28, 9,572.16 and 3,792.46 is: 5,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.28 : 9,572.16 = 3,792.46 : x
  2. Step 2: Convert to fraction form
    6,936.28/9,572.16 = 3,792.46/x
  3. Step 3: Cross multiply
    6,936.28x = 9,572.16 × 3,792.46
  4. Step 4: Simplify right side
    6,936.28x = 36,302,033.91
  5. Step 5: Solve for x
    x = 36,302,033.91/6,936.28
  6. Step 6: Final answer
    x = 5,233.65

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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.