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Finding the Fourth Proportional to 53,997.67, 81,023.83 and 36,430.59

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Solution

The fourth proportional to 53,997.67, 81,023.83 and 36,430.59 is: 54,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,997.67 : 81,023.83 = 36,430.59 : x
  2. Step 2: Convert to fraction form
    53,997.67/81,023.83 = 36,430.59/x
  3. Step 3: Cross multiply
    53,997.67x = 81,023.83 × 36,430.59
  4. Step 4: Simplify right side
    53,997.67x = 2,951,745,930.96
  5. Step 5: Solve for x
    x = 2,951,745,930.96/53,997.67
  6. Step 6: Final answer
    x = 54,664.33

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1.5x scale

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.