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Finding the Fourth Proportional to 54,266.40, 81,372.48 and 34,584.48

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Solution

The fourth proportional to 54,266.40, 81,372.48 and 34,584.48 is: 51,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,266.40 : 81,372.48 = 34,584.48 : x
  2. Step 2: Convert to fraction form
    54,266.40/81,372.48 = 34,584.48/x
  3. Step 3: Cross multiply
    54,266.40x = 81,372.48 × 34,584.48
  4. Step 4: Simplify right side
    54,266.40x = 2,814,224,907.11
  5. Step 5: Solve for x
    x = 2,814,224,907.11/54,266.40
  6. Step 6: Final answer
    x = 51,859.44

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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.