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Finding the Fourth Proportional to 62,967.25, 86,894.81 and 34,672.87

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Solution

The fourth proportional to 62,967.25, 86,894.81 and 34,672.87 is: 47,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,967.25 : 86,894.81 = 34,672.87 : x
  2. Step 2: Convert to fraction form
    62,967.25/86,894.81 = 34,672.87/x
  3. Step 3: Cross multiply
    62,967.25x = 86,894.81 × 34,672.87
  4. Step 4: Simplify right side
    62,967.25x = 3,012,892,277.44
  5. Step 5: Solve for x
    x = 3,012,892,277.44/62,967.25
  6. Step 6: Final answer
    x = 47,848.56

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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.