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Finding the Fourth Proportional to 11,803.14, 17,704.71 and 3,903.54

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Solution

The fourth proportional to 11,803.14, 17,704.71 and 3,903.54 is: 5,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.14 : 17,704.71 = 3,903.54 : x
  2. Step 2: Convert to fraction form
    11,803.14/17,704.71 = 3,903.54/x
  3. Step 3: Cross multiply
    11,803.14x = 17,704.71 × 3,903.54
  4. Step 4: Simplify right side
    11,803.14x = 69,110,965.03
  5. Step 5: Solve for x
    x = 69,110,965.03/11,803.14
  6. Step 6: Final answer
    x = 5,855.30

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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.