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Finding the Fourth Proportional to 54,025, 81,037.88 and 17,089

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Solution

The fourth proportional to 54,025, 81,037.88 and 17,089 is: 25,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,025 : 81,037.88 = 17,089 : x
  2. Step 2: Convert to fraction form
    54,025/81,037.88 = 17,089/x
  3. Step 3: Cross multiply
    54,025x = 81,037.88 × 17,089
  4. Step 4: Simplify right side
    54,025x = 1,384,856,331.32
  5. Step 5: Solve for x
    x = 1,384,856,331.32/54,025
  6. Step 6: Final answer
    x = 25,633.62

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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.