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Finding the Fourth Proportional to 19,794.96, 29,704.50 and 10,308.24

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Solution

The fourth proportional to 19,794.96, 29,704.50 and 10,308.24 is: 15,468.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,794.96 : 29,704.50 = 10,308.24 : x
  2. Step 2: Convert to fraction form
    19,794.96/29,704.50 = 10,308.24/x
  3. Step 3: Cross multiply
    19,794.96x = 29,704.50 × 10,308.24
  4. Step 4: Simplify right side
    19,794.96x = 306,201,115.08
  5. Step 5: Solve for x
    x = 306,201,115.08/19,794.96
  6. Step 6: Final answer
    x = 15,468.64

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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.