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Finding the Fourth Proportional to 19,614.88, 29,435.28 and 9,227.44

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Solution

The fourth proportional to 19,614.88, 29,435.28 and 9,227.44 is: 13,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.88 : 29,435.28 = 9,227.44 : x
  2. Step 2: Convert to fraction form
    19,614.88/29,435.28 = 9,227.44/x
  3. Step 3: Cross multiply
    19,614.88x = 29,435.28 × 9,227.44
  4. Step 4: Simplify right side
    19,614.88x = 271,612,280.08
  5. Step 5: Solve for x
    x = 271,612,280.08/19,614.88
  6. Step 6: Final answer
    x = 13,847.26

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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.