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Finding the Fourth Proportional to 14,558.22, 20,090.34 and 7,934.22

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Solution

The fourth proportional to 14,558.22, 20,090.34 and 7,934.22 is: 10,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.22 : 20,090.34 = 7,934.22 : x
  2. Step 2: Convert to fraction form
    14,558.22/20,090.34 = 7,934.22/x
  3. Step 3: Cross multiply
    14,558.22x = 20,090.34 × 7,934.22
  4. Step 4: Simplify right side
    14,558.22x = 159,401,177.43
  5. Step 5: Solve for x
    x = 159,401,177.43/14,558.22
  6. Step 6: Final answer
    x = 10,949.22

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