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Finding the Fourth Proportional to 3,598.87, 5,396.45 and 1,649.38

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Solution

The fourth proportional to 3,598.87, 5,396.45 and 1,649.38 is: 2,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.87 : 5,396.45 = 1,649.38 : x
  2. Step 2: Convert to fraction form
    3,598.87/5,396.45 = 1,649.38/x
  3. Step 3: Cross multiply
    3,598.87x = 5,396.45 × 1,649.38
  4. Step 4: Simplify right side
    3,598.87x = 8,900,773.84
  5. Step 5: Solve for x
    x = 8,900,773.84/3,598.87
  6. Step 6: Final answer
    x = 2,473.22

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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.