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Finding the Fourth Proportional to 17,443.60, 26,165.28 and 5,757.76

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Solution

The fourth proportional to 17,443.60, 26,165.28 and 5,757.76 is: 8,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,443.60 : 26,165.28 = 5,757.76 : x
  2. Step 2: Convert to fraction form
    17,443.60/26,165.28 = 5,757.76/x
  3. Step 3: Cross multiply
    17,443.60x = 26,165.28 × 5,757.76
  4. Step 4: Simplify right side
    17,443.60x = 150,653,402.57
  5. Step 5: Solve for x
    x = 150,653,402.57/17,443.60
  6. Step 6: Final answer
    x = 8,636.60

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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.