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Finding the Fourth Proportional to 3,605.73, 5,407.99 and 1,008.06

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Solution

The fourth proportional to 3,605.73, 5,407.99 and 1,008.06 is: 1,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.73 : 5,407.99 = 1,008.06 : x
  2. Step 2: Convert to fraction form
    3,605.73/5,407.99 = 1,008.06/x
  3. Step 3: Cross multiply
    3,605.73x = 5,407.99 × 1,008.06
  4. Step 4: Simplify right side
    3,605.73x = 5,451,578.40
  5. Step 5: Solve for x
    x = 5,451,578.40/3,605.73
  6. Step 6: Final answer
    x = 1,511.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.