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Finding the Fourth Proportional to 8,673.98, 13,009.91 and 3,739.56

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Solution

The fourth proportional to 8,673.98, 13,009.91 and 3,739.56 is: 5,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.98 : 13,009.91 = 3,739.56 : x
  2. Step 2: Convert to fraction form
    8,673.98/13,009.91 = 3,739.56/x
  3. Step 3: Cross multiply
    8,673.98x = 13,009.91 × 3,739.56
  4. Step 4: Simplify right side
    8,673.98x = 48,651,320.34
  5. Step 5: Solve for x
    x = 48,651,320.34/8,673.98
  6. Step 6: Final answer
    x = 5,608.88

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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.