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Finding the Fourth Proportional to 74,893.44, 103,350.24 and 41,358.72

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Solution

The fourth proportional to 74,893.44, 103,350.24 and 41,358.72 is: 57,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,893.44 : 103,350.24 = 41,358.72 : x
  2. Step 2: Convert to fraction form
    74,893.44/103,350.24 = 41,358.72/x
  3. Step 3: Cross multiply
    74,893.44x = 103,350.24 × 41,358.72
  4. Step 4: Simplify right side
    74,893.44x = 4,274,433,638.09
  5. Step 5: Solve for x
    x = 4,274,433,638.09/74,893.44
  6. Step 6: Final answer
    x = 57,073.54

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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.