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Finding the Fourth Proportional to 62,189.81, 85,835.78 and 39,524.39

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Solution

The fourth proportional to 62,189.81, 85,835.78 and 39,524.39 is: 54,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,189.81 : 85,835.78 = 39,524.39 : x
  2. Step 2: Convert to fraction form
    62,189.81/85,835.78 = 39,524.39/x
  3. Step 3: Cross multiply
    62,189.81x = 85,835.78 × 39,524.39
  4. Step 4: Simplify right side
    62,189.81x = 3,392,606,844.67
  5. Step 5: Solve for x
    x = 3,392,606,844.67/62,189.81
  6. Step 6: Final answer
    x = 54,552.46

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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.