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Finding the Fourth Proportional to 62,657.45, 86,467.39 and 34,363.34

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Solution

The fourth proportional to 62,657.45, 86,467.39 and 34,363.34 is: 47,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,657.45 : 86,467.39 = 34,363.34 : x
  2. Step 2: Convert to fraction form
    62,657.45/86,467.39 = 34,363.34/x
  3. Step 3: Cross multiply
    62,657.45x = 86,467.39 × 34,363.34
  4. Step 4: Simplify right side
    62,657.45x = 2,971,308,321.48
  5. Step 5: Solve for x
    x = 2,971,308,321.48/62,657.45
  6. Step 6: Final answer
    x = 47,421.47

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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.