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Finding the Fourth Proportional to 69,197.94, 103,805.71 and 27,072.63

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Solution

The fourth proportional to 69,197.94, 103,805.71 and 27,072.63 is: 40,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,197.94 : 103,805.71 = 27,072.63 : x
  2. Step 2: Convert to fraction form
    69,197.94/103,805.71 = 27,072.63/x
  3. Step 3: Cross multiply
    69,197.94x = 103,805.71 × 27,072.63
  4. Step 4: Simplify right side
    69,197.94x = 2,810,293,578.72
  5. Step 5: Solve for x
    x = 2,810,293,578.72/69,197.94
  6. Step 6: Final answer
    x = 40,612.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.