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Finding the Fourth Proportional to 6,294.92, 8,693.28 and 5,186.84

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Solution

The fourth proportional to 6,294.92, 8,693.28 and 5,186.84 is: 7,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,294.92 : 8,693.28 = 5,186.84 : x
  2. Step 2: Convert to fraction form
    6,294.92/8,693.28 = 5,186.84/x
  3. Step 3: Cross multiply
    6,294.92x = 8,693.28 × 5,186.84
  4. Step 4: Simplify right side
    6,294.92x = 45,090,652.44
  5. Step 5: Solve for x
    x = 45,090,652.44/6,294.92
  6. Step 6: Final answer
    x = 7,163.02

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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.