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Finding the Fourth Proportional to 32,496.91, 48,745.37 and 11,720.41

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Solution

The fourth proportional to 32,496.91, 48,745.37 and 11,720.41 is: 17,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,496.91 : 48,745.37 = 11,720.41 : x
  2. Step 2: Convert to fraction form
    32,496.91/48,745.37 = 11,720.41/x
  3. Step 3: Cross multiply
    32,496.91x = 48,745.37 × 11,720.41
  4. Step 4: Simplify right side
    32,496.91x = 571,315,722.00
  5. Step 5: Solve for x
    x = 571,315,722.00/32,496.91
  6. Step 6: Final answer
    x = 17,580.62

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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.