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Finding the Fourth Proportional to 34,351.47, 47,407.41 and 19,245.42

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Solution

The fourth proportional to 34,351.47, 47,407.41 and 19,245.42 is: 26,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,351.47 : 47,407.41 = 19,245.42 : x
  2. Step 2: Convert to fraction form
    34,351.47/47,407.41 = 19,245.42/x
  3. Step 3: Cross multiply
    34,351.47x = 47,407.41 × 19,245.42
  4. Step 4: Simplify right side
    34,351.47x = 912,375,516.56
  5. Step 5: Solve for x
    x = 912,375,516.56/34,351.47
  6. Step 6: Final answer
    x = 26,560.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.