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Finding the Fourth Proportional to 19,469.00, 29,238.71 and 17,906.19

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Solution

The fourth proportional to 19,469.00, 29,238.71 and 17,906.19 is: 26,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469.00 : 29,238.71 = 17,906.19 : x
  2. Step 2: Convert to fraction form
    19,469.00/29,238.71 = 17,906.19/x
  3. Step 3: Cross multiply
    19,469.00x = 29,238.71 × 17,906.19
  4. Step 4: Simplify right side
    19,469.00x = 523,553,807.08
  5. Step 5: Solve for x
    x = 523,553,807.08/19,469.00
  6. Step 6: Final answer
    x = 26,891.67

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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.