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Finding the Fourth Proportional to 20,197.56, 30,292.69 and 7,053.69

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Solution

The fourth proportional to 20,197.56, 30,292.69 and 7,053.69 is: 10,579.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.56 : 30,292.69 = 7,053.69 : x
  2. Step 2: Convert to fraction form
    20,197.56/30,292.69 = 7,053.69/x
  3. Step 3: Cross multiply
    20,197.56x = 30,292.69 × 7,053.69
  4. Step 4: Simplify right side
    20,197.56x = 213,675,244.53
  5. Step 5: Solve for x
    x = 213,675,244.53/20,197.56
  6. Step 6: Final answer
    x = 10,579.26

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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.