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Finding the Fourth Proportional to 61,893.72, 85,414.50 and 33,600.42

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Solution

The fourth proportional to 61,893.72, 85,414.50 and 33,600.42 is: 46,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,893.72 : 85,414.50 = 33,600.42 : x
  2. Step 2: Convert to fraction form
    61,893.72/85,414.50 = 33,600.42/x
  3. Step 3: Cross multiply
    61,893.72x = 85,414.50 × 33,600.42
  4. Step 4: Simplify right side
    61,893.72x = 2,869,963,074.09
  5. Step 5: Solve for x
    x = 2,869,963,074.09/61,893.72
  6. Step 6: Final answer
    x = 46,369.21

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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.