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Finding the Fourth Proportional to 34,789.73, 48,009.84 and 19,682.09

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Solution

The fourth proportional to 34,789.73, 48,009.84 and 19,682.09 is: 27,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,789.73 : 48,009.84 = 19,682.09 : x
  2. Step 2: Convert to fraction form
    34,789.73/48,009.84 = 19,682.09/x
  3. Step 3: Cross multiply
    34,789.73x = 48,009.84 × 19,682.09
  4. Step 4: Simplify right side
    34,789.73x = 944,933,991.77
  5. Step 5: Solve for x
    x = 944,933,991.77/34,789.73
  6. Step 6: Final answer
    x = 27,161.29

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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.