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Finding the Fourth Proportional to 45,846.60, 68,769.90 and 44,315.70

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Solution

The fourth proportional to 45,846.60, 68,769.90 and 44,315.70 is: 66,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,846.60 : 68,769.90 = 44,315.70 : x
  2. Step 2: Convert to fraction form
    45,846.60/68,769.90 = 44,315.70/x
  3. Step 3: Cross multiply
    45,846.60x = 68,769.90 × 44,315.70
  4. Step 4: Simplify right side
    45,846.60x = 3,047,586,257.43
  5. Step 5: Solve for x
    x = 3,047,586,257.43/45,846.60
  6. Step 6: Final answer
    x = 66,473.55

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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.