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Finding the Fourth Proportional to 44,648.16, 66,982.46 and 19,351.91

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Solution

The fourth proportional to 44,648.16, 66,982.46 and 19,351.91 is: 29,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,648.16 : 66,982.46 = 19,351.91 : x
  2. Step 2: Convert to fraction form
    44,648.16/66,982.46 = 19,351.91/x
  3. Step 3: Cross multiply
    44,648.16x = 66,982.46 × 19,351.91
  4. Step 4: Simplify right side
    44,648.16x = 1,296,238,105.83
  5. Step 5: Solve for x
    x = 1,296,238,105.83/44,648.16
  6. Step 6: Final answer
    x = 29,032.28

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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.