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Finding the Fourth Proportional to 45,374.60, 68,015.46 and 44,236.28

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Solution

The fourth proportional to 45,374.60, 68,015.46 and 44,236.28 is: 66,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,374.60 : 68,015.46 = 44,236.28 : x
  2. Step 2: Convert to fraction form
    45,374.60/68,015.46 = 44,236.28/x
  3. Step 3: Cross multiply
    45,374.60x = 68,015.46 × 44,236.28
  4. Step 4: Simplify right side
    45,374.60x = 3,008,750,932.89
  5. Step 5: Solve for x
    x = 3,008,750,932.89/45,374.60
  6. Step 6: Final answer
    x = 66,309.15

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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.