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Finding the Fourth Proportional to 17,206.47, 25,807.28 and 5,518.17

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Solution

The fourth proportional to 17,206.47, 25,807.28 and 5,518.17 is: 8,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,206.47 : 25,807.28 = 5,518.17 : x
  2. Step 2: Convert to fraction form
    17,206.47/25,807.28 = 5,518.17/x
  3. Step 3: Cross multiply
    17,206.47x = 25,807.28 × 5,518.17
  4. Step 4: Simplify right side
    17,206.47x = 142,408,930.69
  5. Step 5: Solve for x
    x = 142,408,930.69/17,206.47
  6. Step 6: Final answer
    x = 8,276.48

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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.