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Finding the Fourth Proportional to 17,063.28, 25,602.72 and 7,705.80

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Solution

The fourth proportional to 17,063.28, 25,602.72 and 7,705.80 is: 11,562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,063.28 : 25,602.72 = 7,705.80 : x
  2. Step 2: Convert to fraction form
    17,063.28/25,602.72 = 7,705.80/x
  3. Step 3: Cross multiply
    17,063.28x = 25,602.72 × 7,705.80
  4. Step 4: Simplify right side
    17,063.28x = 197,289,439.78
  5. Step 5: Solve for x
    x = 197,289,439.78/17,063.28
  6. Step 6: Final answer
    x = 11,562.22

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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.