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Finding the Fourth Proportional to 35,489.91, 48,974.31 and 19,573.41

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Solution

The fourth proportional to 35,489.91, 48,974.31 and 19,573.41 is: 27,010.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,489.91 : 48,974.31 = 19,573.41 : x
  2. Step 2: Convert to fraction form
    35,489.91/48,974.31 = 19,573.41/x
  3. Step 3: Cross multiply
    35,489.91x = 48,974.31 × 19,573.41
  4. Step 4: Simplify right side
    35,489.91x = 958,594,249.10
  5. Step 5: Solve for x
    x = 958,594,249.10/35,489.91
  6. Step 6: Final answer
    x = 27,010.33

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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.