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Finding the Fourth Proportional to 66,964.85, 92,408.58 and 36,750.69

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Solution

The fourth proportional to 66,964.85, 92,408.58 and 36,750.69 is: 50,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,964.85 : 92,408.58 = 36,750.69 : x
  2. Step 2: Convert to fraction form
    66,964.85/92,408.58 = 36,750.69/x
  3. Step 3: Cross multiply
    66,964.85x = 92,408.58 × 36,750.69
  4. Step 4: Simplify right side
    66,964.85x = 3,396,078,817.02
  5. Step 5: Solve for x
    x = 3,396,078,817.02/66,964.85
  6. Step 6: Final answer
    x = 50,714.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.