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Finding the Fourth Proportional to 71,893.58, 99,211.57 and 41,684.27

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Solution

The fourth proportional to 71,893.58, 99,211.57 and 41,684.27 is: 57,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,893.58 : 99,211.57 = 41,684.27 : x
  2. Step 2: Convert to fraction form
    71,893.58/99,211.57 = 41,684.27/x
  3. Step 3: Cross multiply
    71,893.58x = 99,211.57 × 41,684.27
  4. Step 4: Simplify right side
    71,893.58x = 4,135,561,270.74
  5. Step 5: Solve for x
    x = 4,135,561,270.74/71,893.58
  6. Step 6: Final answer
    x = 57,523.38

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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.