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Finding the Fourth Proportional to 45,951.77, 68,616.38 and 36,485.57

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Solution

The fourth proportional to 45,951.77, 68,616.38 and 36,485.57 is: 54,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,951.77 : 68,616.38 = 36,485.57 : x
  2. Step 2: Convert to fraction form
    45,951.77/68,616.38 = 36,485.57/x
  3. Step 3: Cross multiply
    45,951.77x = 68,616.38 × 36,485.57
  4. Step 4: Simplify right side
    45,951.77x = 2,503,507,346.95
  5. Step 5: Solve for x
    x = 2,503,507,346.95/45,951.77
  6. Step 6: Final answer
    x = 54,481.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.