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Finding the Fourth Proportional to 17,212.29, 25,817.90 and 4,900.29

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Solution

The fourth proportional to 17,212.29, 25,817.90 and 4,900.29 is: 7,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.29 : 25,817.90 = 4,900.29 : x
  2. Step 2: Convert to fraction form
    17,212.29/25,817.90 = 4,900.29/x
  3. Step 3: Cross multiply
    17,212.29x = 25,817.90 × 4,900.29
  4. Step 4: Simplify right side
    17,212.29x = 126,515,172.69
  5. Step 5: Solve for x
    x = 126,515,172.69/17,212.29
  6. Step 6: Final answer
    x = 7,350.28

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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.