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Finding the Fourth Proportional to 66,917.38, 92,347.68 and 37,843.42

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Solution

The fourth proportional to 66,917.38, 92,347.68 and 37,843.42 is: 52,224.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,917.38 : 92,347.68 = 37,843.42 : x
  2. Step 2: Convert to fraction form
    66,917.38/92,347.68 = 37,843.42/x
  3. Step 3: Cross multiply
    66,917.38x = 92,347.68 × 37,843.42
  4. Step 4: Simplify right side
    66,917.38x = 3,494,752,040.27
  5. Step 5: Solve for x
    x = 3,494,752,040.27/66,917.38
  6. Step 6: Final answer
    x = 52,224.88

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1.5x scale

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.