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Finding the Fourth Proportional to 45,840.60, 68,760.90 and 44,309.70

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Solution

The fourth proportional to 45,840.60, 68,760.90 and 44,309.70 is: 66,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,840.60 : 68,760.90 = 44,309.70 : x
  2. Step 2: Convert to fraction form
    45,840.60/68,760.90 = 44,309.70/x
  3. Step 3: Cross multiply
    45,840.60x = 68,760.90 × 44,309.70
  4. Step 4: Simplify right side
    45,840.60x = 3,046,774,850.73
  5. Step 5: Solve for x
    x = 3,046,774,850.73/45,840.60
  6. Step 6: Final answer
    x = 66,464.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.