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Finding the Fourth Proportional to 66,827.44, 92,218.44 and 38,531.44

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Solution

The fourth proportional to 66,827.44, 92,218.44 and 38,531.44 is: 53,171.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,827.44 : 92,218.44 = 38,531.44 : x
  2. Step 2: Convert to fraction form
    66,827.44/92,218.44 = 38,531.44/x
  3. Step 3: Cross multiply
    66,827.44x = 92,218.44 × 38,531.44
  4. Step 4: Simplify right side
    66,827.44x = 3,553,309,287.75
  5. Step 5: Solve for x
    x = 3,553,309,287.75/66,827.44
  6. Step 6: Final answer
    x = 53,171.41

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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.