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Finding the Fourth Proportional to 62,811.52, 94,231.12 and 34,772.48

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Solution

The fourth proportional to 62,811.52, 94,231.12 and 34,772.48 is: 52,166.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,811.52 : 94,231.12 = 34,772.48 : x
  2. Step 2: Convert to fraction form
    62,811.52/94,231.12 = 34,772.48/x
  3. Step 3: Cross multiply
    62,811.52x = 94,231.12 × 34,772.48
  4. Step 4: Simplify right side
    62,811.52x = 3,276,649,735.58
  5. Step 5: Solve for x
    x = 3,276,649,735.58/62,811.52
  6. Step 6: Final answer
    x = 52,166.38

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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.