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Finding the Fourth Proportional to 13,467.87, 20,205.92 and 6,070.28

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Solution

The fourth proportional to 13,467.87, 20,205.92 and 6,070.28 is: 9,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.87 : 20,205.92 = 6,070.28 : x
  2. Step 2: Convert to fraction form
    13,467.87/20,205.92 = 6,070.28/x
  3. Step 3: Cross multiply
    13,467.87x = 20,205.92 × 6,070.28
  4. Step 4: Simplify right side
    13,467.87x = 122,655,506.20
  5. Step 5: Solve for x
    x = 122,655,506.20/13,467.87
  6. Step 6: Final answer
    x = 9,107.27

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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.