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Finding the Fourth Proportional to 54,583.25, 81,874.88 and 21,774.29

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Solution

The fourth proportional to 54,583.25, 81,874.88 and 21,774.29 is: 32,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,583.25 : 81,874.88 = 21,774.29 : x
  2. Step 2: Convert to fraction form
    54,583.25/81,874.88 = 21,774.29/x
  3. Step 3: Cross multiply
    54,583.25x = 81,874.88 × 21,774.29
  4. Step 4: Simplify right side
    54,583.25x = 1,782,767,271.96
  5. Step 5: Solve for x
    x = 1,782,767,271.96/54,583.25
  6. Step 6: Final answer
    x = 32,661.44

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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.