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Finding the Fourth Proportional to 1,908.01, 2,858.83 and 1,836.02

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Solution

The fourth proportional to 1,908.01, 2,858.83 and 1,836.02 is: 2,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.01 : 2,858.83 = 1,836.02 : x
  2. Step 2: Convert to fraction form
    1,908.01/2,858.83 = 1,836.02/x
  3. Step 3: Cross multiply
    1,908.01x = 2,858.83 × 1,836.02
  4. Step 4: Simplify right side
    1,908.01x = 5,248,869.06
  5. Step 5: Solve for x
    x = 5,248,869.06/1,908.01
  6. Step 6: Final answer
    x = 2,750.97

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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.