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Finding the Fourth Proportional to 6,189.64, 8,541.39 and 3,500.92

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Solution

The fourth proportional to 6,189.64, 8,541.39 and 3,500.92 is: 4,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.64 : 8,541.39 = 3,500.92 : x
  2. Step 2: Convert to fraction form
    6,189.64/8,541.39 = 3,500.92/x
  3. Step 3: Cross multiply
    6,189.64x = 8,541.39 × 3,500.92
  4. Step 4: Simplify right side
    6,189.64x = 29,902,723.08
  5. Step 5: Solve for x
    x = 29,902,723.08/6,189.64
  6. Step 6: Final answer
    x = 4,831.09

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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.