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Finding the Fourth Proportional to 61,873.41, 85,380.60 and 36,380.82

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Solution

The fourth proportional to 61,873.41, 85,380.60 and 36,380.82 is: 50,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,873.41 : 85,380.60 = 36,380.82 : x
  2. Step 2: Convert to fraction form
    61,873.41/85,380.60 = 36,380.82/x
  3. Step 3: Cross multiply
    61,873.41x = 85,380.60 × 36,380.82
  4. Step 4: Simplify right side
    61,873.41x = 3,106,216,240.09
  5. Step 5: Solve for x
    x = 3,106,216,240.09/61,873.41
  6. Step 6: Final answer
    x = 50,202.76

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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.