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Finding the Fourth Proportional to 8,492.24, 12,726.49 and 7,236.27

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Solution

The fourth proportional to 8,492.24, 12,726.49 and 7,236.27 is: 10,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.24 : 12,726.49 = 7,236.27 : x
  2. Step 2: Convert to fraction form
    8,492.24/12,726.49 = 7,236.27/x
  3. Step 3: Cross multiply
    8,492.24x = 12,726.49 × 7,236.27
  4. Step 4: Simplify right side
    8,492.24x = 92,092,299.70
  5. Step 5: Solve for x
    x = 92,092,299.70/8,492.24
  6. Step 6: Final answer
    x = 10,844.29

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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.