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Finding the Fourth Proportional to 62,803.72, 86,669.10 and 34,511.22

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Solution

The fourth proportional to 62,803.72, 86,669.10 and 34,511.22 is: 47,625.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,803.72 : 86,669.10 = 34,511.22 : x
  2. Step 2: Convert to fraction form
    62,803.72/86,669.10 = 34,511.22/x
  3. Step 3: Cross multiply
    62,803.72x = 86,669.10 × 34,511.22
  4. Step 4: Simplify right side
    62,803.72x = 2,991,056,377.30
  5. Step 5: Solve for x
    x = 2,991,056,377.30/62,803.72
  6. Step 6: Final answer
    x = 47,625.47

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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.