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Finding the Fourth Proportional to 65,992.83, 91,046.24 and 43,344.10

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Solution

The fourth proportional to 65,992.83, 91,046.24 and 43,344.10 is: 59,799.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,992.83 : 91,046.24 = 43,344.10 : x
  2. Step 2: Convert to fraction form
    65,992.83/91,046.24 = 43,344.10/x
  3. Step 3: Cross multiply
    65,992.83x = 91,046.24 × 43,344.10
  4. Step 4: Simplify right side
    65,992.83x = 3,946,317,331.18
  5. Step 5: Solve for x
    x = 3,946,317,331.18/65,992.83
  6. Step 6: Final answer
    x = 59,799.18

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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.