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Finding the Fourth Proportional to 62,187.42, 85,813.21 and 34,586.79

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Solution

The fourth proportional to 62,187.42, 85,813.21 and 34,586.79 is: 47,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,187.42 : 85,813.21 = 34,586.79 : x
  2. Step 2: Convert to fraction form
    62,187.42/85,813.21 = 34,586.79/x
  3. Step 3: Cross multiply
    62,187.42x = 85,813.21 × 34,586.79
  4. Step 4: Simplify right side
    62,187.42x = 2,968,003,300.56
  5. Step 5: Solve for x
    x = 2,968,003,300.56/62,187.42
  6. Step 6: Final answer
    x = 47,726.75

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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.