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Finding the Fourth Proportional to 61,676.83, 85,114.74 and 36,183.63

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Solution

The fourth proportional to 61,676.83, 85,114.74 and 36,183.63 is: 49,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,676.83 : 85,114.74 = 36,183.63 : x
  2. Step 2: Convert to fraction form
    61,676.83/85,114.74 = 36,183.63/x
  3. Step 3: Cross multiply
    61,676.83x = 85,114.74 × 36,183.63
  4. Step 4: Simplify right side
    61,676.83x = 3,079,760,032.27
  5. Step 5: Solve for x
    x = 3,079,760,032.27/61,676.83
  6. Step 6: Final answer
    x = 49,933.83

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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.