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Finding the Fourth Proportional to 66,574.54, 91,873.56 and 36,360.73

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Solution

The fourth proportional to 66,574.54, 91,873.56 and 36,360.73 is: 50,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,574.54 : 91,873.56 = 36,360.73 : x
  2. Step 2: Convert to fraction form
    66,574.54/91,873.56 = 36,360.73/x
  3. Step 3: Cross multiply
    66,574.54x = 91,873.56 × 36,360.73
  4. Step 4: Simplify right side
    66,574.54x = 3,340,589,709.30
  5. Step 5: Solve for x
    x = 3,340,589,709.30/66,574.54
  6. Step 6: Final answer
    x = 50,178.19

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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.