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Finding the Fourth Proportional to 54,603.56, 81,863.40 and 49,039.91

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Solution

The fourth proportional to 54,603.56, 81,863.40 and 49,039.91 is: 73,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,603.56 : 81,863.40 = 49,039.91 : x
  2. Step 2: Convert to fraction form
    54,603.56/81,863.40 = 49,039.91/x
  3. Step 3: Cross multiply
    54,603.56x = 81,863.40 × 49,039.91
  4. Step 4: Simplify right side
    54,603.56x = 4,014,574,156.85
  5. Step 5: Solve for x
    x = 4,014,574,156.85/54,603.56
  6. Step 6: Final answer
    x = 73,522.21

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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.