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Finding the Fourth Proportional to 20,593.35, 30,883.64 and 8,747.01

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Solution

The fourth proportional to 20,593.35, 30,883.64 and 8,747.01 is: 13,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.35 : 30,883.64 = 8,747.01 : x
  2. Step 2: Convert to fraction form
    20,593.35/30,883.64 = 8,747.01/x
  3. Step 3: Cross multiply
    20,593.35x = 30,883.64 × 8,747.01
  4. Step 4: Simplify right side
    20,593.35x = 270,139,464.18
  5. Step 5: Solve for x
    x = 270,139,464.18/20,593.35
  6. Step 6: Final answer
    x = 13,117.80

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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.