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Finding the Fourth Proportional to 2,056.96, 3,086.08 and 1,894.08

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Solution

The fourth proportional to 2,056.96, 3,086.08 and 1,894.08 is: 2,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.96 : 3,086.08 = 1,894.08 : x
  2. Step 2: Convert to fraction form
    2,056.96/3,086.08 = 1,894.08/x
  3. Step 3: Cross multiply
    2,056.96x = 3,086.08 × 1,894.08
  4. Step 4: Simplify right side
    2,056.96x = 5,845,282.41
  5. Step 5: Solve for x
    x = 5,845,282.41/2,056.96
  6. Step 6: Final answer
    x = 2,841.71

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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.