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Finding the Fourth Proportional to 65,992.67, 91,046.03 and 43,343.94

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Solution

The fourth proportional to 65,992.67, 91,046.03 and 43,343.94 is: 59,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,992.67 : 91,046.03 = 43,343.94 : x
  2. Step 2: Convert to fraction form
    65,992.67/91,046.03 = 43,343.94/x
  3. Step 3: Cross multiply
    65,992.67x = 91,046.03 × 43,343.94
  4. Step 4: Simplify right side
    65,992.67x = 3,946,293,018.06
  5. Step 5: Solve for x
    x = 3,946,293,018.06/65,992.67
  6. Step 6: Final answer
    x = 59,798.96

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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.