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Finding the Fourth Proportional to 17,963.62, 26,938.95 and 7,576.18

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Solution

The fourth proportional to 17,963.62, 26,938.95 and 7,576.18 is: 11,361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,963.62 : 26,938.95 = 7,576.18 : x
  2. Step 2: Convert to fraction form
    17,963.62/26,938.95 = 7,576.18/x
  3. Step 3: Cross multiply
    17,963.62x = 26,938.95 × 7,576.18
  4. Step 4: Simplify right side
    17,963.62x = 204,094,238.45
  5. Step 5: Solve for x
    x = 204,094,238.45/17,963.62
  6. Step 6: Final answer
    x = 11,361.53

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1.5x scale

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.