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Finding the Fourth Proportional to 61,762.75, 92,768.10 and 36,851.41

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Solution

The fourth proportional to 61,762.75, 92,768.10 and 36,851.41 is: 55,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,762.75 : 92,768.10 = 36,851.41 : x
  2. Step 2: Convert to fraction form
    61,762.75/92,768.10 = 36,851.41/x
  3. Step 3: Cross multiply
    61,762.75x = 92,768.10 × 36,851.41
  4. Step 4: Simplify right side
    61,762.75x = 3,418,635,288.02
  5. Step 5: Solve for x
    x = 3,418,635,288.02/61,762.75
  6. Step 6: Final answer
    x = 55,351.09

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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.