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Finding the Fourth Proportional to 57,959.16, 86,906.76 and 17,967.06

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Solution

The fourth proportional to 57,959.16, 86,906.76 and 17,967.06 is: 26,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,959.16 : 86,906.76 = 17,967.06 : x
  2. Step 2: Convert to fraction form
    57,959.16/86,906.76 = 17,967.06/x
  3. Step 3: Cross multiply
    57,959.16x = 86,906.76 × 17,967.06
  4. Step 4: Simplify right side
    57,959.16x = 1,561,458,903.95
  5. Step 5: Solve for x
    x = 1,561,458,903.95/57,959.16
  6. Step 6: Final answer
    x = 26,940.68

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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.