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Finding the Fourth Proportional to 13,849.01, 20,773.54 and 5,529.70

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Solution

The fourth proportional to 13,849.01, 20,773.54 and 5,529.70 is: 8,294.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.01 : 20,773.54 = 5,529.70 : x
  2. Step 2: Convert to fraction form
    13,849.01/20,773.54 = 5,529.70/x
  3. Step 3: Cross multiply
    13,849.01x = 20,773.54 × 5,529.70
  4. Step 4: Simplify right side
    13,849.01x = 114,871,340.27
  5. Step 5: Solve for x
    x = 114,871,340.27/13,849.01
  6. Step 6: Final answer
    x = 8,294.56

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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.