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Finding the Fourth Proportional to 54,951.61, 82,426.51 and 17,511.17

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Solution

The fourth proportional to 54,951.61, 82,426.51 and 17,511.17 is: 26,266.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,951.61 : 82,426.51 = 17,511.17 : x
  2. Step 2: Convert to fraction form
    54,951.61/82,426.51 = 17,511.17/x
  3. Step 3: Cross multiply
    54,951.61x = 82,426.51 × 17,511.17
  4. Step 4: Simplify right side
    54,951.61x = 1,443,384,173.21
  5. Step 5: Solve for x
    x = 1,443,384,173.21/54,951.61
  6. Step 6: Final answer
    x = 26,266.46

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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.