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Finding the Fourth Proportional to 6,346.17, 8,760.02 and 5,165.19

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Solution

The fourth proportional to 6,346.17, 8,760.02 and 5,165.19 is: 7,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.17 : 8,760.02 = 5,165.19 : x
  2. Step 2: Convert to fraction form
    6,346.17/8,760.02 = 5,165.19/x
  3. Step 3: Cross multiply
    6,346.17x = 8,760.02 × 5,165.19
  4. Step 4: Simplify right side
    6,346.17x = 45,247,141.88
  5. Step 5: Solve for x
    x = 45,247,141.88/6,346.17
  6. Step 6: Final answer
    x = 7,129.83

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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.