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Finding the Fourth Proportional to 17,361.78, 26,037.90 and 6,266.40

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Solution

The fourth proportional to 17,361.78, 26,037.90 and 6,266.40 is: 9,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.78 : 26,037.90 = 6,266.40 : x
  2. Step 2: Convert to fraction form
    17,361.78/26,037.90 = 6,266.40/x
  3. Step 3: Cross multiply
    17,361.78x = 26,037.90 × 6,266.40
  4. Step 4: Simplify right side
    17,361.78x = 163,163,896.56
  5. Step 5: Solve for x
    x = 163,163,896.56/17,361.78
  6. Step 6: Final answer
    x = 9,397.88

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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.