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Finding the Fourth Proportional to 17,932.94, 26,903.73 and 5,620.94

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Solution

The fourth proportional to 17,932.94, 26,903.73 and 5,620.94 is: 8,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,932.94 : 26,903.73 = 5,620.94 : x
  2. Step 2: Convert to fraction form
    17,932.94/26,903.73 = 5,620.94/x
  3. Step 3: Cross multiply
    17,932.94x = 26,903.73 × 5,620.94
  4. Step 4: Simplify right side
    17,932.94x = 151,224,170.79
  5. Step 5: Solve for x
    x = 151,224,170.79/17,932.94
  6. Step 6: Final answer
    x = 8,432.76

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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.