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Finding the Fourth Proportional to 17,932.50, 26,903.07 and 5,620.50

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Solution

The fourth proportional to 17,932.50, 26,903.07 and 5,620.50 is: 8,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,932.50 : 26,903.07 = 5,620.50 : x
  2. Step 2: Convert to fraction form
    17,932.50/26,903.07 = 5,620.50/x
  3. Step 3: Cross multiply
    17,932.50x = 26,903.07 × 5,620.50
  4. Step 4: Simplify right side
    17,932.50x = 151,208,704.94
  5. Step 5: Solve for x
    x = 151,208,704.94/17,932.50
  6. Step 6: Final answer
    x = 8,432.10

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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.