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Finding the Fourth Proportional to 36,603.90, 54,915 and 16,896.24

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Solution

The fourth proportional to 36,603.90, 54,915 and 16,896.24 is: 25,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,603.90 : 54,915 = 16,896.24 : x
  2. Step 2: Convert to fraction form
    36,603.90/54,915 = 16,896.24/x
  3. Step 3: Cross multiply
    36,603.90x = 54,915 × 16,896.24
  4. Step 4: Simplify right side
    36,603.90x = 927,857,019.60
  5. Step 5: Solve for x
    x = 927,857,019.60/36,603.90
  6. Step 6: Final answer
    x = 25,348.58

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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.