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Finding the Fourth Proportional to 61,893.42, 85,414.68 and 33,600.96

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Solution

The fourth proportional to 61,893.42, 85,414.68 and 33,600.96 is: 46,370.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,893.42 : 85,414.68 = 33,600.96 : x
  2. Step 2: Convert to fraction form
    61,893.42/85,414.68 = 33,600.96/x
  3. Step 3: Cross multiply
    61,893.42x = 85,414.68 × 33,600.96
  4. Step 4: Simplify right side
    61,893.42x = 2,870,015,246.09
  5. Step 5: Solve for x
    x = 2,870,015,246.09/61,893.42
  6. Step 6: Final answer
    x = 46,370.28

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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.