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Finding the Fourth Proportional to 13,495.32, 20,243.79 and 5,701.50

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Solution

The fourth proportional to 13,495.32, 20,243.79 and 5,701.50 is: 8,552.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.32 : 20,243.79 = 5,701.50 : x
  2. Step 2: Convert to fraction form
    13,495.32/20,243.79 = 5,701.50/x
  3. Step 3: Cross multiply
    13,495.32x = 20,243.79 × 5,701.50
  4. Step 4: Simplify right side
    13,495.32x = 115,419,968.69
  5. Step 5: Solve for x
    x = 115,419,968.69/13,495.32
  6. Step 6: Final answer
    x = 8,552.59

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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.