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Finding the Fourth Proportional to 45,890.52, 68,843.06 and 19,595.49

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Solution

The fourth proportional to 45,890.52, 68,843.06 and 19,595.49 is: 29,396.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,890.52 : 68,843.06 = 19,595.49 : x
  2. Step 2: Convert to fraction form
    45,890.52/68,843.06 = 19,595.49/x
  3. Step 3: Cross multiply
    45,890.52x = 68,843.06 × 19,595.49
  4. Step 4: Simplify right side
    45,890.52x = 1,349,013,321.37
  5. Step 5: Solve for x
    x = 1,349,013,321.37/45,890.52
  6. Step 6: Final answer
    x = 29,396.34

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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.