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Finding the Fourth Proportional to 13,592.82, 18,753.66 and 7,926.30

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Solution

The fourth proportional to 13,592.82, 18,753.66 and 7,926.30 is: 10,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.82 : 18,753.66 = 7,926.30 : x
  2. Step 2: Convert to fraction form
    13,592.82/18,753.66 = 7,926.30/x
  3. Step 3: Cross multiply
    13,592.82x = 18,753.66 × 7,926.30
  4. Step 4: Simplify right side
    13,592.82x = 148,647,135.26
  5. Step 5: Solve for x
    x = 148,647,135.26/13,592.82
  6. Step 6: Final answer
    x = 10,935.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.