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Finding the Fourth Proportional to 65,682.01, 98,536.83 and 21,305.29

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Solution

The fourth proportional to 65,682.01, 98,536.83 and 21,305.29 is: 31,962.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,682.01 : 98,536.83 = 21,305.29 : x
  2. Step 2: Convert to fraction form
    65,682.01/98,536.83 = 21,305.29/x
  3. Step 3: Cross multiply
    65,682.01x = 98,536.83 × 21,305.29
  4. Step 4: Simplify right side
    65,682.01x = 2,099,355,738.83
  5. Step 5: Solve for x
    x = 2,099,355,738.83/65,682.01
  6. Step 6: Final answer
    x = 31,962.42

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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.