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Finding the Fourth Proportional to 1,884.29, 2,826.77 and 1,578.29

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Solution

The fourth proportional to 1,884.29, 2,826.77 and 1,578.29 is: 2,367.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.29 : 2,826.77 = 1,578.29 : x
  2. Step 2: Convert to fraction form
    1,884.29/2,826.77 = 1,578.29/x
  3. Step 3: Cross multiply
    1,884.29x = 2,826.77 × 1,578.29
  4. Step 4: Simplify right side
    1,884.29x = 4,461,440.80
  5. Step 5: Solve for x
    x = 4,461,440.80/1,884.29
  6. Step 6: Final answer
    x = 2,367.71

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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.