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Finding the Fourth Proportional to 16,713.45, 25,069.32 and 5,620.23

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Solution

The fourth proportional to 16,713.45, 25,069.32 and 5,620.23 is: 8,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,713.45 : 25,069.32 = 5,620.23 : x
  2. Step 2: Convert to fraction form
    16,713.45/25,069.32 = 5,620.23/x
  3. Step 3: Cross multiply
    16,713.45x = 25,069.32 × 5,620.23
  4. Step 4: Simplify right side
    16,713.45x = 140,895,344.34
  5. Step 5: Solve for x
    x = 140,895,344.34/16,713.45
  6. Step 6: Final answer
    x = 8,430.06

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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.