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Finding the Fourth Proportional to 17,487.36, 26,244 and 9,702.72

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Solution

The fourth proportional to 17,487.36, 26,244 and 9,702.72 is: 14,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.36 : 26,244 = 9,702.72 : x
  2. Step 2: Convert to fraction form
    17,487.36/26,244 = 9,702.72/x
  3. Step 3: Cross multiply
    17,487.36x = 26,244 × 9,702.72
  4. Step 4: Simplify right side
    17,487.36x = 254,638,183.68
  5. Step 5: Solve for x
    x = 254,638,183.68/17,487.36
  6. Step 6: Final answer
    x = 14,561.27

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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.