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Finding the Fourth Proportional to 35,456.99, 48,930.46 and 19,324.29

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Solution

The fourth proportional to 35,456.99, 48,930.46 and 19,324.29 is: 26,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,456.99 : 48,930.46 = 19,324.29 : x
  2. Step 2: Convert to fraction form
    35,456.99/48,930.46 = 19,324.29/x
  3. Step 3: Cross multiply
    35,456.99x = 48,930.46 × 19,324.29
  4. Step 4: Simplify right side
    35,456.99x = 945,546,398.87
  5. Step 5: Solve for x
    x = 945,546,398.87/35,456.99
  6. Step 6: Final answer
    x = 26,667.42

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1.5x scale

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.