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Finding the Fourth Proportional to 54,704.78, 82,071.00 and 15,261.87

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Solution

The fourth proportional to 54,704.78, 82,071.00 and 15,261.87 is: 22,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,704.78 : 82,071.00 = 15,261.87 : x
  2. Step 2: Convert to fraction form
    54,704.78/82,071.00 = 15,261.87/x
  3. Step 3: Cross multiply
    54,704.78x = 82,071.00 × 15,261.87
  4. Step 4: Simplify right side
    54,704.78x = 1,252,557,195.18
  5. Step 5: Solve for x
    x = 1,252,557,195.18/54,704.78
  6. Step 6: Final answer
    x = 22,896.67

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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.