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Finding the Fourth Proportional to 65,891.00, 90,929.43 and 35,676.34

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Solution

The fourth proportional to 65,891.00, 90,929.43 and 35,676.34 is: 49,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,891.00 : 90,929.43 = 35,676.34 : x
  2. Step 2: Convert to fraction form
    65,891.00/90,929.43 = 35,676.34/x
  3. Step 3: Cross multiply
    65,891.00x = 90,929.43 × 35,676.34
  4. Step 4: Simplify right side
    65,891.00x = 3,244,029,033.36
  5. Step 5: Solve for x
    x = 3,244,029,033.36/65,891.00
  6. Step 6: Final answer
    x = 49,233.26

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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.