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Finding the Fourth Proportional to 6,163.52, 8,502.60 and 3,644.40

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Solution

The fourth proportional to 6,163.52, 8,502.60 and 3,644.40 is: 5,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.52 : 8,502.60 = 3,644.40 : x
  2. Step 2: Convert to fraction form
    6,163.52/8,502.60 = 3,644.40/x
  3. Step 3: Cross multiply
    6,163.52x = 8,502.60 × 3,644.40
  4. Step 4: Simplify right side
    6,163.52x = 30,986,875.44
  5. Step 5: Solve for x
    x = 30,986,875.44/6,163.52
  6. Step 6: Final answer
    x = 5,027.47

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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.