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Finding the Fourth Proportional to 45,774.62, 68,671.74 and 14,183.99

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Solution

The fourth proportional to 45,774.62, 68,671.74 and 14,183.99 is: 21,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,774.62 : 68,671.74 = 14,183.99 : x
  2. Step 2: Convert to fraction form
    45,774.62/68,671.74 = 14,183.99/x
  3. Step 3: Cross multiply
    45,774.62x = 68,671.74 × 14,183.99
  4. Step 4: Simplify right side
    45,774.62x = 974,039,273.44
  5. Step 5: Solve for x
    x = 974,039,273.44/45,774.62
  6. Step 6: Final answer
    x = 21,279.02

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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.