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Finding the Fourth Proportional to 53,236.60, 79,906.84 and 43,971.01

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Solution

The fourth proportional to 53,236.60, 79,906.84 and 43,971.01 is: 65,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,236.60 : 79,906.84 = 43,971.01 : x
  2. Step 2: Convert to fraction form
    53,236.60/79,906.84 = 43,971.01/x
  3. Step 3: Cross multiply
    53,236.60x = 79,906.84 × 43,971.01
  4. Step 4: Simplify right side
    53,236.60x = 3,513,584,151.01
  5. Step 5: Solve for x
    x = 3,513,584,151.01/53,236.60
  6. Step 6: Final answer
    x = 65,999.41

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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.