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Finding the Fourth Proportional to 7,361.55, 11,045.87 and 3,664.10

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Solution

The fourth proportional to 7,361.55, 11,045.87 and 3,664.10 is: 5,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.55 : 11,045.87 = 3,664.10 : x
  2. Step 2: Convert to fraction form
    7,361.55/11,045.87 = 3,664.10/x
  3. Step 3: Cross multiply
    7,361.55x = 11,045.87 × 3,664.10
  4. Step 4: Simplify right side
    7,361.55x = 40,473,153.95
  5. Step 5: Solve for x
    x = 40,473,153.95/7,361.55
  6. Step 6: Final answer
    x = 5,497.91

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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.