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Finding the Fourth Proportional to 2,709.98, 3,737.10 and 1,647.89

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Solution

The fourth proportional to 2,709.98, 3,737.10 and 1,647.89 is: 2,272.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.98 : 3,737.10 = 1,647.89 : x
  2. Step 2: Convert to fraction form
    2,709.98/3,737.10 = 1,647.89/x
  3. Step 3: Cross multiply
    2,709.98x = 3,737.10 × 1,647.89
  4. Step 4: Simplify right side
    2,709.98x = 6,158,329.72
  5. Step 5: Solve for x
    x = 6,158,329.72/2,709.98
  6. Step 6: Final answer
    x = 2,272.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.