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Finding the Fourth Proportional to 6,224.82, 8,541.92 and 5,660.99

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Solution

The fourth proportional to 6,224.82, 8,541.92 and 5,660.99 is: 7,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,224.82 : 8,541.92 = 5,660.99 : x
  2. Step 2: Convert to fraction form
    6,224.82/8,541.92 = 5,660.99/x
  3. Step 3: Cross multiply
    6,224.82x = 8,541.92 × 5,660.99
  4. Step 4: Simplify right side
    6,224.82x = 48,355,727.18
  5. Step 5: Solve for x
    x = 48,355,727.18/6,224.82
  6. Step 6: Final answer
    x = 7,768.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.