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Finding the Fourth Proportional to 3,963.94, 5,470.23 and 2,392.03

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Solution

The fourth proportional to 3,963.94, 5,470.23 and 2,392.03 is: 3,301.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.94 : 5,470.23 = 2,392.03 : x
  2. Step 2: Convert to fraction form
    3,963.94/5,470.23 = 2,392.03/x
  3. Step 3: Cross multiply
    3,963.94x = 5,470.23 × 2,392.03
  4. Step 4: Simplify right side
    3,963.94x = 13,084,970.07
  5. Step 5: Solve for x
    x = 13,084,970.07/3,963.94
  6. Step 6: Final answer
    x = 3,301.00

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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.