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Finding the Fourth Proportional to 4,695, 7,042.68 and 1,617

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Solution

The fourth proportional to 4,695, 7,042.68 and 1,617 is: 2,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695 : 7,042.68 = 1,617 : x
  2. Step 2: Convert to fraction form
    4,695/7,042.68 = 1,617/x
  3. Step 3: Cross multiply
    4,695x = 7,042.68 × 1,617
  4. Step 4: Simplify right side
    4,695x = 11,388,013.56
  5. Step 5: Solve for x
    x = 11,388,013.56/4,695
  6. Step 6: Final answer
    x = 2,425.56

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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.