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Finding the Fourth Proportional to 62,965.96, 86,891.34 and 34,671.88

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Solution

The fourth proportional to 62,965.96, 86,891.34 and 34,671.88 is: 47,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,965.96 : 86,891.34 = 34,671.88 : x
  2. Step 2: Convert to fraction form
    62,965.96/86,891.34 = 34,671.88/x
  3. Step 3: Cross multiply
    62,965.96x = 86,891.34 × 34,671.88
  4. Step 4: Simplify right side
    62,965.96x = 3,012,686,113.52
  5. Step 5: Solve for x
    x = 3,012,686,113.52/62,965.96
  6. Step 6: Final answer
    x = 47,846.27

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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.