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Finding the Fourth Proportional to 6,066.79, 8,372.16 and 3,414.20

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Solution

The fourth proportional to 6,066.79, 8,372.16 and 3,414.20 is: 4,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,066.79 : 8,372.16 = 3,414.20 : x
  2. Step 2: Convert to fraction form
    6,066.79/8,372.16 = 3,414.20/x
  3. Step 3: Cross multiply
    6,066.79x = 8,372.16 × 3,414.20
  4. Step 4: Simplify right side
    6,066.79x = 28,584,186.81
  5. Step 5: Solve for x
    x = 28,584,186.81/6,066.79
  6. Step 6: Final answer
    x = 4,711.59

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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.