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Finding the Fourth Proportional to 65,920.66, 98,814.87 and 32,664.89

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Solution

The fourth proportional to 65,920.66, 98,814.87 and 32,664.89 is: 48,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,920.66 : 98,814.87 = 32,664.89 : x
  2. Step 2: Convert to fraction form
    65,920.66/98,814.87 = 32,664.89/x
  3. Step 3: Cross multiply
    65,920.66x = 98,814.87 × 32,664.89
  4. Step 4: Simplify right side
    65,920.66x = 3,227,777,105.95
  5. Step 5: Solve for x
    x = 3,227,777,105.95/65,920.66
  6. Step 6: Final answer
    x = 48,964.58

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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.