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Finding the Fourth Proportional to 61,955.47, 92,936.74 and 17,578.73

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Solution

The fourth proportional to 61,955.47, 92,936.74 and 17,578.73 is: 26,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,955.47 : 92,936.74 = 17,578.73 : x
  2. Step 2: Convert to fraction form
    61,955.47/92,936.74 = 17,578.73/x
  3. Step 3: Cross multiply
    61,955.47x = 92,936.74 × 17,578.73
  4. Step 4: Simplify right side
    61,955.47x = 1,633,709,859.54
  5. Step 5: Solve for x
    x = 1,633,709,859.54/61,955.47
  6. Step 6: Final answer
    x = 26,369.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.