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Finding the Fourth Proportional to 38,352.99, 57,532.81 and 11,704.98

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Solution

The fourth proportional to 38,352.99, 57,532.81 and 11,704.98 is: 17,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,352.99 : 57,532.81 = 11,704.98 : x
  2. Step 2: Convert to fraction form
    38,352.99/57,532.81 = 11,704.98/x
  3. Step 3: Cross multiply
    38,352.99x = 57,532.81 × 11,704.98
  4. Step 4: Simplify right side
    38,352.99x = 673,420,296.13
  5. Step 5: Solve for x
    x = 673,420,296.13/38,352.99
  6. Step 6: Final answer
    x = 17,558.48

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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.