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Finding the Fourth Proportional to 61,772.36, 92,657.57 and 19,651.82

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Solution

The fourth proportional to 61,772.36, 92,657.57 and 19,651.82 is: 29,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,772.36 : 92,657.57 = 19,651.82 : x
  2. Step 2: Convert to fraction form
    61,772.36/92,657.57 = 19,651.82/x
  3. Step 3: Cross multiply
    61,772.36x = 92,657.57 × 19,651.82
  4. Step 4: Simplify right side
    61,772.36x = 1,820,889,325.73
  5. Step 5: Solve for x
    x = 1,820,889,325.73/61,772.36
  6. Step 6: Final answer
    x = 29,477.41

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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.