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Finding the Fourth Proportional to 54,580.84, 81,803.10 and 23,379.88

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Solution

The fourth proportional to 54,580.84, 81,803.10 and 23,379.88 is: 35,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,580.84 : 81,803.10 = 23,379.88 : x
  2. Step 2: Convert to fraction form
    54,580.84/81,803.10 = 23,379.88/x
  3. Step 3: Cross multiply
    54,580.84x = 81,803.10 × 23,379.88
  4. Step 4: Simplify right side
    54,580.84x = 1,912,546,661.63
  5. Step 5: Solve for x
    x = 1,912,546,661.63/54,580.84
  6. Step 6: Final answer
    x = 35,040.62

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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.