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Finding the Fourth Proportional to 61,940.30, 92,855.66 and 26,860.82

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Solution

The fourth proportional to 61,940.30, 92,855.66 and 26,860.82 is: 40,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,940.30 : 92,855.66 = 26,860.82 : x
  2. Step 2: Convert to fraction form
    61,940.30/92,855.66 = 26,860.82/x
  3. Step 3: Cross multiply
    61,940.30x = 92,855.66 × 26,860.82
  4. Step 4: Simplify right side
    61,940.30x = 2,494,178,570.66
  5. Step 5: Solve for x
    x = 2,494,178,570.66/61,940.30
  6. Step 6: Final answer
    x = 40,267.46

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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.