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Finding the Fourth Proportional to 13,399.59, 20,092.87 and 4,037.86

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Solution

The fourth proportional to 13,399.59, 20,092.87 and 4,037.86 is: 6,054.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.59 : 20,092.87 = 4,037.86 : x
  2. Step 2: Convert to fraction form
    13,399.59/20,092.87 = 4,037.86/x
  3. Step 3: Cross multiply
    13,399.59x = 20,092.87 × 4,037.86
  4. Step 4: Simplify right side
    13,399.59x = 81,132,196.06
  5. Step 5: Solve for x
    x = 81,132,196.06/13,399.59
  6. Step 6: Final answer
    x = 6,054.83

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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.