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Finding the Fourth Proportional to 54,314.66, 81,472.06 and 14,872.12

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Solution

The fourth proportional to 54,314.66, 81,472.06 and 14,872.12 is: 22,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,314.66 : 81,472.06 = 14,872.12 : x
  2. Step 2: Convert to fraction form
    54,314.66/81,472.06 = 14,872.12/x
  3. Step 3: Cross multiply
    54,314.66x = 81,472.06 × 14,872.12
  4. Step 4: Simplify right side
    54,314.66x = 1,211,661,808.43
  5. Step 5: Solve for x
    x = 1,211,661,808.43/54,314.66
  6. Step 6: Final answer
    x = 22,308.19

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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.