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Finding the Fourth Proportional to 4,195.48, 6,293.24 and 1,855

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Solution

The fourth proportional to 4,195.48, 6,293.24 and 1,855 is: 2,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.48 : 6,293.24 = 1,855 : x
  2. Step 2: Convert to fraction form
    4,195.48/6,293.24 = 1,855/x
  3. Step 3: Cross multiply
    4,195.48x = 6,293.24 × 1,855
  4. Step 4: Simplify right side
    4,195.48x = 11,673,960.20
  5. Step 5: Solve for x
    x = 11,673,960.20/4,195.48
  6. Step 6: Final answer
    x = 2,782.51

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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.