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Finding the Fourth Proportional to 12,375.53, 18,568.77 and 4,994.41

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Solution

The fourth proportional to 12,375.53, 18,568.77 and 4,994.41 is: 7,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.53 : 18,568.77 = 4,994.41 : x
  2. Step 2: Convert to fraction form
    12,375.53/18,568.77 = 4,994.41/x
  3. Step 3: Cross multiply
    12,375.53x = 18,568.77 × 4,994.41
  4. Step 4: Simplify right side
    12,375.53x = 92,740,034.29
  5. Step 5: Solve for x
    x = 92,740,034.29/12,375.53
  6. Step 6: Final answer
    x = 7,493.82

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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.