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Finding the Fourth Proportional to 8,593.22, 11,855.10 and 5,607.98

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Solution

The fourth proportional to 8,593.22, 11,855.10 and 5,607.98 is: 7,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.22 : 11,855.10 = 5,607.98 : x
  2. Step 2: Convert to fraction form
    8,593.22/11,855.10 = 5,607.98/x
  3. Step 3: Cross multiply
    8,593.22x = 11,855.10 × 5,607.98
  4. Step 4: Simplify right side
    8,593.22x = 66,483,163.70
  5. Step 5: Solve for x
    x = 66,483,163.70/8,593.22
  6. Step 6: Final answer
    x = 7,736.70

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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.