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Finding the Fourth Proportional to 6,893.94, 10,318.89 and 3,727.05

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Solution

The fourth proportional to 6,893.94, 10,318.89 and 3,727.05 is: 5,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.94 : 10,318.89 = 3,727.05 : x
  2. Step 2: Convert to fraction form
    6,893.94/10,318.89 = 3,727.05/x
  3. Step 3: Cross multiply
    6,893.94x = 10,318.89 × 3,727.05
  4. Step 4: Simplify right side
    6,893.94x = 38,458,994.26
  5. Step 5: Solve for x
    x = 38,458,994.26/6,893.94
  6. Step 6: Final answer
    x = 5,578.66

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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.