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Finding the Fourth Proportional to 2,967.71, 4,095.46 and 1,641.47

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Solution

The fourth proportional to 2,967.71, 4,095.46 and 1,641.47 is: 2,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.71 : 4,095.46 = 1,641.47 : x
  2. Step 2: Convert to fraction form
    2,967.71/4,095.46 = 1,641.47/x
  3. Step 3: Cross multiply
    2,967.71x = 4,095.46 × 1,641.47
  4. Step 4: Simplify right side
    2,967.71x = 6,722,556.30
  5. Step 5: Solve for x
    x = 6,722,556.30/2,967.71
  6. Step 6: Final answer
    x = 2,265.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.