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Finding the Fourth Proportional to 11,361.98, 17,045.41 and 5,666.05

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Solution

The fourth proportional to 11,361.98, 17,045.41 and 5,666.05 is: 8,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.98 : 17,045.41 = 5,666.05 : x
  2. Step 2: Convert to fraction form
    11,361.98/17,045.41 = 5,666.05/x
  3. Step 3: Cross multiply
    11,361.98x = 17,045.41 × 5,666.05
  4. Step 4: Simplify right side
    11,361.98x = 96,580,120.42
  5. Step 5: Solve for x
    x = 96,580,120.42/11,361.98
  6. Step 6: Final answer
    x = 8,500.29

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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.