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Finding the Fourth Proportional to 54,282.88, 81,417.84 and 14,843.44

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Solution

The fourth proportional to 54,282.88, 81,417.84 and 14,843.44 is: 22,263.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282.88 : 81,417.84 = 14,843.44 : x
  2. Step 2: Convert to fraction form
    54,282.88/81,417.84 = 14,843.44/x
  3. Step 3: Cross multiply
    54,282.88x = 81,417.84 × 14,843.44
  4. Step 4: Simplify right side
    54,282.88x = 1,208,520,822.97
  5. Step 5: Solve for x
    x = 1,208,520,822.97/54,282.88
  6. Step 6: Final answer
    x = 22,263.39

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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.