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Finding the Fourth Proportional to 1,955.79, 2,926.39 and 1,933.92

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Solution

The fourth proportional to 1,955.79, 2,926.39 and 1,933.92 is: 2,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.79 : 2,926.39 = 1,933.92 : x
  2. Step 2: Convert to fraction form
    1,955.79/2,926.39 = 1,933.92/x
  3. Step 3: Cross multiply
    1,955.79x = 2,926.39 × 1,933.92
  4. Step 4: Simplify right side
    1,955.79x = 5,659,399.25
  5. Step 5: Solve for x
    x = 5,659,399.25/1,955.79
  6. Step 6: Final answer
    x = 2,893.67

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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.