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Finding the Fourth Proportional to 54,034.56, 81,051.84 and 14,595.84

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Solution

The fourth proportional to 54,034.56, 81,051.84 and 14,595.84 is: 21,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,034.56 : 81,051.84 = 14,595.84 : x
  2. Step 2: Convert to fraction form
    54,034.56/81,051.84 = 14,595.84/x
  3. Step 3: Cross multiply
    54,034.56x = 81,051.84 × 14,595.84
  4. Step 4: Simplify right side
    54,034.56x = 1,183,019,688.35
  5. Step 5: Solve for x
    x = 1,183,019,688.35/54,034.56
  6. Step 6: Final answer
    x = 21,893.76

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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.