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Finding the Fourth Proportional to 53,586.56, 80,364.48 and 18,044

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Solution

The fourth proportional to 53,586.56, 80,364.48 and 18,044 is: 27,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,586.56 : 80,364.48 = 18,044 : x
  2. Step 2: Convert to fraction form
    53,586.56/80,364.48 = 18,044/x
  3. Step 3: Cross multiply
    53,586.56x = 80,364.48 × 18,044
  4. Step 4: Simplify right side
    53,586.56x = 1,450,096,677.12
  5. Step 5: Solve for x
    x = 1,450,096,677.12/53,586.56
  6. Step 6: Final answer
    x = 27,060.83

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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.