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Finding the Fourth Proportional to 17,936.88, 26,905.31 and 5,624.88

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Solution

The fourth proportional to 17,936.88, 26,905.31 and 5,624.88 is: 8,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,936.88 : 26,905.31 = 5,624.88 : x
  2. Step 2: Convert to fraction form
    17,936.88/26,905.31 = 5,624.88/x
  3. Step 3: Cross multiply
    17,936.88x = 26,905.31 × 5,624.88
  4. Step 4: Simplify right side
    17,936.88x = 151,339,140.11
  5. Step 5: Solve for x
    x = 151,339,140.11/17,936.88
  6. Step 6: Final answer
    x = 8,437.32

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1.5x scale

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.