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Finding the Fourth Proportional to 6,379.48, 8,800.82 and 3,725.32

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Solution

The fourth proportional to 6,379.48, 8,800.82 and 3,725.32 is: 5,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.48 : 8,800.82 = 3,725.32 : x
  2. Step 2: Convert to fraction form
    6,379.48/8,800.82 = 3,725.32/x
  3. Step 3: Cross multiply
    6,379.48x = 8,800.82 × 3,725.32
  4. Step 4: Simplify right side
    6,379.48x = 32,785,808.13
  5. Step 5: Solve for x
    x = 32,785,808.13/6,379.48
  6. Step 6: Final answer
    x = 5,139.26

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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.