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Finding the Fourth Proportional to 62,671.75, 86,487.02 and 34,377.51

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Solution

The fourth proportional to 62,671.75, 86,487.02 and 34,377.51 is: 47,440.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,671.75 : 86,487.02 = 34,377.51 : x
  2. Step 2: Convert to fraction form
    62,671.75/86,487.02 = 34,377.51/x
  3. Step 3: Cross multiply
    62,671.75x = 86,487.02 × 34,377.51
  4. Step 4: Simplify right side
    62,671.75x = 2,973,207,790.60
  5. Step 5: Solve for x
    x = 2,973,207,790.60/62,671.75
  6. Step 6: Final answer
    x = 47,440.96

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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.