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Finding the Fourth Proportional to 5,502.92, 8,238.08 and 4,939.88

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Solution

The fourth proportional to 5,502.92, 8,238.08 and 4,939.88 is: 7,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502.92 : 8,238.08 = 4,939.88 : x
  2. Step 2: Convert to fraction form
    5,502.92/8,238.08 = 4,939.88/x
  3. Step 3: Cross multiply
    5,502.92x = 8,238.08 × 4,939.88
  4. Step 4: Simplify right side
    5,502.92x = 40,695,126.63
  5. Step 5: Solve for x
    x = 40,695,126.63/5,502.92
  6. Step 6: Final answer
    x = 7,395.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.