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Finding the Fourth Proportional to 3,967.22, 5,946.54 and 1,772.93

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Solution

The fourth proportional to 3,967.22, 5,946.54 and 1,772.93 is: 2,657.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.22 : 5,946.54 = 1,772.93 : x
  2. Step 2: Convert to fraction form
    3,967.22/5,946.54 = 1,772.93/x
  3. Step 3: Cross multiply
    3,967.22x = 5,946.54 × 1,772.93
  4. Step 4: Simplify right side
    3,967.22x = 10,542,799.16
  5. Step 5: Solve for x
    x = 10,542,799.16/3,967.22
  6. Step 6: Final answer
    x = 2,657.48

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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.