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Finding the Fourth Proportional to 17,896.67, 24,697.25 and 9,938.91

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Solution

The fourth proportional to 17,896.67, 24,697.25 and 9,938.91 is: 13,715.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,896.67 : 24,697.25 = 9,938.91 : x
  2. Step 2: Convert to fraction form
    17,896.67/24,697.25 = 9,938.91/x
  3. Step 3: Cross multiply
    17,896.67x = 24,697.25 × 9,938.91
  4. Step 4: Simplify right side
    17,896.67x = 245,463,745.00
  5. Step 5: Solve for x
    x = 245,463,745.00/17,896.67
  6. Step 6: Final answer
    x = 13,715.61

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1.5x scale

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.