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Finding the Fourth Proportional to 35,990.44, 49,641.08 and 31,201.82

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Solution

The fourth proportional to 35,990.44, 49,641.08 and 31,201.82 is: 43,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,990.44 : 49,641.08 = 31,201.82 : x
  2. Step 2: Convert to fraction form
    35,990.44/49,641.08 = 31,201.82/x
  3. Step 3: Cross multiply
    35,990.44x = 49,641.08 × 31,201.82
  4. Step 4: Simplify right side
    35,990.44x = 1,548,892,042.77
  5. Step 5: Solve for x
    x = 1,548,892,042.77/35,990.44
  6. Step 6: Final answer
    x = 43,036.21

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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.