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Finding the Fourth Proportional to 35,963.60, 53,922.06 and 17,243.18

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Solution

The fourth proportional to 35,963.60, 53,922.06 and 17,243.18 is: 25,853.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,963.60 : 53,922.06 = 17,243.18 : x
  2. Step 2: Convert to fraction form
    35,963.60/53,922.06 = 17,243.18/x
  3. Step 3: Cross multiply
    35,963.60x = 53,922.06 × 17,243.18
  4. Step 4: Simplify right side
    35,963.60x = 929,787,786.55
  5. Step 5: Solve for x
    x = 929,787,786.55/35,963.60
  6. Step 6: Final answer
    x = 25,853.58

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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.