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Finding the Fourth Proportional to 3,396.84, 5,093.42 and 1,055.83

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Solution

The fourth proportional to 3,396.84, 5,093.42 and 1,055.83 is: 1,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.84 : 5,093.42 = 1,055.83 : x
  2. Step 2: Convert to fraction form
    3,396.84/5,093.42 = 1,055.83/x
  3. Step 3: Cross multiply
    3,396.84x = 5,093.42 × 1,055.83
  4. Step 4: Simplify right side
    3,396.84x = 5,377,785.64
  5. Step 5: Solve for x
    x = 5,377,785.64/3,396.84
  6. Step 6: Final answer
    x = 1,583.18

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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.