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Finding the Fourth Proportional to 62,611.88, 86,404.39 and 34,316.96

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Solution

The fourth proportional to 62,611.88, 86,404.39 and 34,316.96 is: 47,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,611.88 : 86,404.39 = 34,316.96 : x
  2. Step 2: Convert to fraction form
    62,611.88/86,404.39 = 34,316.96/x
  3. Step 3: Cross multiply
    62,611.88x = 86,404.39 × 34,316.96
  4. Step 4: Simplify right side
    62,611.88x = 2,965,135,477.64
  5. Step 5: Solve for x
    x = 2,965,135,477.64/62,611.88
  6. Step 6: Final answer
    x = 47,357.40

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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.