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Finding the Fourth Proportional to 66,974, 92,423.54 and 36,760.60

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Solution

The fourth proportional to 66,974, 92,423.54 and 36,760.60 is: 50,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,974 : 92,423.54 = 36,760.60 : x
  2. Step 2: Convert to fraction form
    66,974/92,423.54 = 36,760.60/x
  3. Step 3: Cross multiply
    66,974x = 92,423.54 × 36,760.60
  4. Step 4: Simplify right side
    66,974x = 3,397,544,784.52
  5. Step 5: Solve for x
    x = 3,397,544,784.52/66,974
  6. Step 6: Final answer
    x = 50,729.31

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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.