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Finding the Fourth Proportional to 35,168.37, 48,532.96 and 21,739.28

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Solution

The fourth proportional to 35,168.37, 48,532.96 and 21,739.28 is: 30,000.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,168.37 : 48,532.96 = 21,739.28 : x
  2. Step 2: Convert to fraction form
    35,168.37/48,532.96 = 21,739.28/x
  3. Step 3: Cross multiply
    35,168.37x = 48,532.96 × 21,739.28
  4. Step 4: Simplify right side
    35,168.37x = 1,055,071,497.97
  5. Step 5: Solve for x
    x = 1,055,071,497.97/35,168.37
  6. Step 6: Final answer
    x = 30,000.58

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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.