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Finding the Fourth Proportional to 35,963.94, 49,630.08 and 20,859.66

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Solution

The fourth proportional to 35,963.94, 49,630.08 and 20,859.66 is: 28,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,963.94 : 49,630.08 = 20,859.66 : x
  2. Step 2: Convert to fraction form
    35,963.94/49,630.08 = 20,859.66/x
  3. Step 3: Cross multiply
    35,963.94x = 49,630.08 × 20,859.66
  4. Step 4: Simplify right side
    35,963.94x = 1,035,266,594.57
  5. Step 5: Solve for x
    x = 1,035,266,594.57/35,963.94
  6. Step 6: Final answer
    x = 28,786.24

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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.