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Finding the Fourth Proportional to 66,740, 92,104.08 and 36,932

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Solution

The fourth proportional to 66,740, 92,104.08 and 36,932 is: 50,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,740 : 92,104.08 = 36,932 : x
  2. Step 2: Convert to fraction form
    66,740/92,104.08 = 36,932/x
  3. Step 3: Cross multiply
    66,740x = 92,104.08 × 36,932
  4. Step 4: Simplify right side
    66,740x = 3,401,587,882.56
  5. Step 5: Solve for x
    x = 3,401,587,882.56/66,740
  6. Step 6: Final answer
    x = 50,967.75

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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.