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Finding the Fourth Proportional to 53,998.56, 80,991.72 and 14,559.48

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Solution

The fourth proportional to 53,998.56, 80,991.72 and 14,559.48 is: 21,837.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,998.56 : 80,991.72 = 14,559.48 : x
  2. Step 2: Convert to fraction form
    53,998.56/80,991.72 = 14,559.48/x
  3. Step 3: Cross multiply
    53,998.56x = 80,991.72 × 14,559.48
  4. Step 4: Simplify right side
    53,998.56x = 1,179,197,327.51
  5. Step 5: Solve for x
    x = 1,179,197,327.51/53,998.56
  6. Step 6: Final answer
    x = 21,837.57

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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.