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Finding the Fourth Proportional to 8,735.89, 12,057.19 and 4,959.41

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Solution

The fourth proportional to 8,735.89, 12,057.19 and 4,959.41 is: 6,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.89 : 12,057.19 = 4,959.41 : x
  2. Step 2: Convert to fraction form
    8,735.89/12,057.19 = 4,959.41/x
  3. Step 3: Cross multiply
    8,735.89x = 12,057.19 × 4,959.41
  4. Step 4: Simplify right side
    8,735.89x = 59,796,548.66
  5. Step 5: Solve for x
    x = 59,796,548.66/8,735.89
  6. Step 6: Final answer
    x = 6,844.93

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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.