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Finding the Fourth Proportional to 3,963.33, 5,940.54 and 1,881.63

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Solution

The fourth proportional to 3,963.33, 5,940.54 and 1,881.63 is: 2,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.33 : 5,940.54 = 1,881.63 : x
  2. Step 2: Convert to fraction form
    3,963.33/5,940.54 = 1,881.63/x
  3. Step 3: Cross multiply
    3,963.33x = 5,940.54 × 1,881.63
  4. Step 4: Simplify right side
    3,963.33x = 11,177,898.28
  5. Step 5: Solve for x
    x = 11,177,898.28/3,963.33
  6. Step 6: Final answer
    x = 2,820.33

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1.5x scale

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.