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Finding the Fourth Proportional to 43,288.83, 64,906.97 and 16,962.03

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Solution

The fourth proportional to 43,288.83, 64,906.97 and 16,962.03 is: 25,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,288.83 : 64,906.97 = 16,962.03 : x
  2. Step 2: Convert to fraction form
    43,288.83/64,906.97 = 16,962.03/x
  3. Step 3: Cross multiply
    43,288.83x = 64,906.97 × 16,962.03
  4. Step 4: Simplify right side
    43,288.83x = 1,100,953,887.54
  5. Step 5: Solve for x
    x = 1,100,953,887.54/43,288.83
  6. Step 6: Final answer
    x = 25,432.75

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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.