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Finding the Fourth Proportional to 53,430.87, 73,734.84 and 29,558.37

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Solution

The fourth proportional to 53,430.87, 73,734.84 and 29,558.37 is: 40,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,430.87 : 73,734.84 = 29,558.37 : x
  2. Step 2: Convert to fraction form
    53,430.87/73,734.84 = 29,558.37/x
  3. Step 3: Cross multiply
    53,430.87x = 73,734.84 × 29,558.37
  4. Step 4: Simplify right side
    53,430.87x = 2,179,481,682.61
  5. Step 5: Solve for x
    x = 2,179,481,682.61/53,430.87
  6. Step 6: Final answer
    x = 40,790.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.