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Finding the Fourth Proportional to 3,600.22, 5,398.16 and 1,409.98

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Solution

The fourth proportional to 3,600.22, 5,398.16 and 1,409.98 is: 2,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.22 : 5,398.16 = 1,409.98 : x
  2. Step 2: Convert to fraction form
    3,600.22/5,398.16 = 1,409.98/x
  3. Step 3: Cross multiply
    3,600.22x = 5,398.16 × 1,409.98
  4. Step 4: Simplify right side
    3,600.22x = 7,611,297.64
  5. Step 5: Solve for x
    x = 7,611,297.64/3,600.22
  6. Step 6: Final answer
    x = 2,114.12

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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.