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Finding the Fourth Proportional to 6,792.39, 9,372.65 and 3,808.22

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Solution

The fourth proportional to 6,792.39, 9,372.65 and 3,808.22 is: 5,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792.39 : 9,372.65 = 3,808.22 : x
  2. Step 2: Convert to fraction form
    6,792.39/9,372.65 = 3,808.22/x
  3. Step 3: Cross multiply
    6,792.39x = 9,372.65 × 3,808.22
  4. Step 4: Simplify right side
    6,792.39x = 35,693,047.28
  5. Step 5: Solve for x
    x = 35,693,047.28/6,792.39
  6. Step 6: Final answer
    x = 5,254.86

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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.