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Finding the Fourth Proportional to 62,906.85, 86,809.86 and 34,225.29

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Solution

The fourth proportional to 62,906.85, 86,809.86 and 34,225.29 is: 47,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,906.85 : 86,809.86 = 34,225.29 : x
  2. Step 2: Convert to fraction form
    62,906.85/86,809.86 = 34,225.29/x
  3. Step 3: Cross multiply
    62,906.85x = 86,809.86 × 34,225.29
  4. Step 4: Simplify right side
    62,906.85x = 2,971,092,633.36
  5. Step 5: Solve for x
    x = 2,971,092,633.36/62,906.85
  6. Step 6: Final answer
    x = 47,230.03

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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.