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Finding the Fourth Proportional to 19,401.30, 29,096.19 and 15,513.30

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Solution

The fourth proportional to 19,401.30, 29,096.19 and 15,513.30 is: 23,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.30 : 29,096.19 = 15,513.30 : x
  2. Step 2: Convert to fraction form
    19,401.30/29,096.19 = 15,513.30/x
  3. Step 3: Cross multiply
    19,401.30x = 29,096.19 × 15,513.30
  4. Step 4: Simplify right side
    19,401.30x = 451,377,924.33
  5. Step 5: Solve for x
    x = 451,377,924.33/19,401.30
  6. Step 6: Final answer
    x = 23,265.34

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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.