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Finding the Fourth Proportional to 17,702.55, 26,553.78 and 4,553.82

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Solution

The fourth proportional to 17,702.55, 26,553.78 and 4,553.82 is: 6,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702.55 : 26,553.78 = 4,553.82 : x
  2. Step 2: Convert to fraction form
    17,702.55/26,553.78 = 4,553.82/x
  3. Step 3: Cross multiply
    17,702.55x = 26,553.78 × 4,553.82
  4. Step 4: Simplify right side
    17,702.55x = 120,921,134.44
  5. Step 5: Solve for x
    x = 120,921,134.44/17,702.55
  6. Step 6: Final answer
    x = 6,830.72

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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.