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Finding the Fourth Proportional to 54,357.84, 81,536.04 and 14,914.92

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Solution

The fourth proportional to 54,357.84, 81,536.04 and 14,914.92 is: 22,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,357.84 : 81,536.04 = 14,914.92 : x
  2. Step 2: Convert to fraction form
    54,357.84/81,536.04 = 14,914.92/x
  3. Step 3: Cross multiply
    54,357.84x = 81,536.04 × 14,914.92
  4. Step 4: Simplify right side
    54,357.84x = 1,216,103,513.72
  5. Step 5: Solve for x
    x = 1,216,103,513.72/54,357.84
  6. Step 6: Final answer
    x = 22,372.18

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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.