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Finding the Fourth Proportional to 62,242.81, 85,893.96 and 36,403.85

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Solution

The fourth proportional to 62,242.81, 85,893.96 and 36,403.85 is: 50,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,242.81 : 85,893.96 = 36,403.85 : x
  2. Step 2: Convert to fraction form
    62,242.81/85,893.96 = 36,403.85/x
  3. Step 3: Cross multiply
    62,242.81x = 85,893.96 × 36,403.85
  4. Step 4: Simplify right side
    62,242.81x = 3,126,871,050.48
  5. Step 5: Solve for x
    x = 3,126,871,050.48/62,242.81
  6. Step 6: Final answer
    x = 50,236.66

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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.