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Finding the Fourth Proportional to 19,504.01, 29,255.99 and 7,825.43

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Solution

The fourth proportional to 19,504.01, 29,255.99 and 7,825.43 is: 11,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,504.01 : 29,255.99 = 7,825.43 : x
  2. Step 2: Convert to fraction form
    19,504.01/29,255.99 = 7,825.43/x
  3. Step 3: Cross multiply
    19,504.01x = 29,255.99 × 7,825.43
  4. Step 4: Simplify right side
    19,504.01x = 228,940,516.42
  5. Step 5: Solve for x
    x = 228,940,516.42/19,504.01
  6. Step 6: Final answer
    x = 11,738.13

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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.