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Finding the Fourth Proportional to 8,349.81, 12,525.22 and 3,672.02

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Solution

The fourth proportional to 8,349.81, 12,525.22 and 3,672.02 is: 5,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.81 : 12,525.22 = 3,672.02 : x
  2. Step 2: Convert to fraction form
    8,349.81/12,525.22 = 3,672.02/x
  3. Step 3: Cross multiply
    8,349.81x = 12,525.22 × 3,672.02
  4. Step 4: Simplify right side
    8,349.81x = 45,992,777.36
  5. Step 5: Solve for x
    x = 45,992,777.36/8,349.81
  6. Step 6: Final answer
    x = 5,508.25

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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.