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Finding the Fourth Proportional to 61,764.75, 92,771.10 and 36,853.41

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Solution

The fourth proportional to 61,764.75, 92,771.10 and 36,853.41 is: 55,354.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,764.75 : 92,771.10 = 36,853.41 : x
  2. Step 2: Convert to fraction form
    61,764.75/92,771.10 = 36,853.41/x
  3. Step 3: Cross multiply
    61,764.75x = 92,771.10 × 36,853.41
  4. Step 4: Simplify right side
    61,764.75x = 3,418,931,384.45
  5. Step 5: Solve for x
    x = 3,418,931,384.45/61,764.75
  6. Step 6: Final answer
    x = 55,354.09

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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.