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Finding the Fourth Proportional to 13,597.91, 20,396.36 and 3,736.94

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Solution

The fourth proportional to 13,597.91, 20,396.36 and 3,736.94 is: 5,605.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.91 : 20,396.36 = 3,736.94 : x
  2. Step 2: Convert to fraction form
    13,597.91/20,396.36 = 3,736.94/x
  3. Step 3: Cross multiply
    13,597.91x = 20,396.36 × 3,736.94
  4. Step 4: Simplify right side
    13,597.91x = 76,219,859.88
  5. Step 5: Solve for x
    x = 76,219,859.88/13,597.91
  6. Step 6: Final answer
    x = 5,605.26

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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.