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Finding the Fourth Proportional to 54,690.99, 82,038.24 and 17,251.41

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Solution

The fourth proportional to 54,690.99, 82,038.24 and 17,251.41 is: 25,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,690.99 : 82,038.24 = 17,251.41 : x
  2. Step 2: Convert to fraction form
    54,690.99/82,038.24 = 17,251.41/x
  3. Step 3: Cross multiply
    54,690.99x = 82,038.24 × 17,251.41
  4. Step 4: Simplify right side
    54,690.99x = 1,415,275,313.92
  5. Step 5: Solve for x
    x = 1,415,275,313.92/54,690.99
  6. Step 6: Final answer
    x = 25,877.67

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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.