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Finding the Fourth Proportional to 14,777.48, 20,393.43 and 8,063.49

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Solution

The fourth proportional to 14,777.48, 20,393.43 and 8,063.49 is: 11,127.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.48 : 20,393.43 = 8,063.49 : x
  2. Step 2: Convert to fraction form
    14,777.48/20,393.43 = 8,063.49/x
  3. Step 3: Cross multiply
    14,777.48x = 20,393.43 × 8,063.49
  4. Step 4: Simplify right side
    14,777.48x = 164,442,218.87
  5. Step 5: Solve for x
    x = 164,442,218.87/14,777.48
  6. Step 6: Final answer
    x = 11,127.89

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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.