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Finding the Fourth Proportional to 13,633.52, 20,458.07 and 6,237.91

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Solution

The fourth proportional to 13,633.52, 20,458.07 and 6,237.91 is: 9,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.52 : 20,458.07 = 6,237.91 : x
  2. Step 2: Convert to fraction form
    13,633.52/20,458.07 = 6,237.91/x
  3. Step 3: Cross multiply
    13,633.52x = 20,458.07 × 6,237.91
  4. Step 4: Simplify right side
    13,633.52x = 127,615,617.21
  5. Step 5: Solve for x
    x = 127,615,617.21/13,633.52
  6. Step 6: Final answer
    x = 9,360.43

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