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Finding the Fourth Proportional to 13,352.97, 20,030.64 and 3,492.21

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Solution

The fourth proportional to 13,352.97, 20,030.64 and 3,492.21 is: 5,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.97 : 20,030.64 = 3,492.21 : x
  2. Step 2: Convert to fraction form
    13,352.97/20,030.64 = 3,492.21/x
  3. Step 3: Cross multiply
    13,352.97x = 20,030.64 × 3,492.21
  4. Step 4: Simplify right side
    13,352.97x = 69,951,201.31
  5. Step 5: Solve for x
    x = 69,951,201.31/13,352.97
  6. Step 6: Final answer
    x = 5,238.62

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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.