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Finding the Fourth Proportional to 1,908.96, 2,858.58 and 1,600.08

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Solution

The fourth proportional to 1,908.96, 2,858.58 and 1,600.08 is: 2,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.96 : 2,858.58 = 1,600.08 : x
  2. Step 2: Convert to fraction form
    1,908.96/2,858.58 = 1,600.08/x
  3. Step 3: Cross multiply
    1,908.96x = 2,858.58 × 1,600.08
  4. Step 4: Simplify right side
    1,908.96x = 4,573,956.69
  5. Step 5: Solve for x
    x = 4,573,956.69/1,908.96
  6. Step 6: Final answer
    x = 2,396.05

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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.