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Finding the Fourth Proportional to 3,884.79, 5,828.56 and 2,035.87

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Solution

The fourth proportional to 3,884.79, 5,828.56 and 2,035.87 is: 3,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.79 : 5,828.56 = 2,035.87 : x
  2. Step 2: Convert to fraction form
    3,884.79/5,828.56 = 2,035.87/x
  3. Step 3: Cross multiply
    3,884.79x = 5,828.56 × 2,035.87
  4. Step 4: Simplify right side
    3,884.79x = 11,866,170.79
  5. Step 5: Solve for x
    x = 11,866,170.79/3,884.79
  6. Step 6: Final answer
    x = 3,054.52

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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.