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Finding the Fourth Proportional to 17,994.53, 26,993.10 and 5,512.94

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Solution

The fourth proportional to 17,994.53, 26,993.10 and 5,512.94 is: 8,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,994.53 : 26,993.10 = 5,512.94 : x
  2. Step 2: Convert to fraction form
    17,994.53/26,993.10 = 5,512.94/x
  3. Step 3: Cross multiply
    17,994.53x = 26,993.10 × 5,512.94
  4. Step 4: Simplify right side
    17,994.53x = 148,811,340.71
  5. Step 5: Solve for x
    x = 148,811,340.71/17,994.53
  6. Step 6: Final answer
    x = 8,269.81

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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.