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Finding the Fourth Proportional to 17,702.94, 26,537.13 and 12,092.70

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Solution

The fourth proportional to 17,702.94, 26,537.13 and 12,092.70 is: 18,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702.94 : 26,537.13 = 12,092.70 : x
  2. Step 2: Convert to fraction form
    17,702.94/26,537.13 = 12,092.70/x
  3. Step 3: Cross multiply
    17,702.94x = 26,537.13 × 12,092.70
  4. Step 4: Simplify right side
    17,702.94x = 320,905,551.95
  5. Step 5: Solve for x
    x = 320,905,551.95/17,702.94
  6. Step 6: Final answer
    x = 18,127.25

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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.