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Finding the Fourth Proportional to 35,899.80, 49,534.50 and 21,744.44

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Solution

The fourth proportional to 35,899.80, 49,534.50 and 21,744.44 is: 30,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,899.80 : 49,534.50 = 21,744.44 : x
  2. Step 2: Convert to fraction form
    35,899.80/49,534.50 = 21,744.44/x
  3. Step 3: Cross multiply
    35,899.80x = 49,534.50 × 21,744.44
  4. Step 4: Simplify right side
    35,899.80x = 1,077,099,963.18
  5. Step 5: Solve for x
    x = 1,077,099,963.18/35,899.80
  6. Step 6: Final answer
    x = 30,002.95

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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.