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Finding the Fourth Proportional to 8,553.89, 11,806.33 and 5,018.24

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Solution

The fourth proportional to 8,553.89, 11,806.33 and 5,018.24 is: 6,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.89 : 11,806.33 = 5,018.24 : x
  2. Step 2: Convert to fraction form
    8,553.89/11,806.33 = 5,018.24/x
  3. Step 3: Cross multiply
    8,553.89x = 11,806.33 × 5,018.24
  4. Step 4: Simplify right side
    8,553.89x = 59,246,997.46
  5. Step 5: Solve for x
    x = 59,246,997.46/8,553.89
  6. Step 6: Final answer
    x = 6,926.32

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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.