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Finding the Fourth Proportional to 17,907, 26,860.50 and 6,963

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Solution

The fourth proportional to 17,907, 26,860.50 and 6,963 is: 10,444.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907 : 26,860.50 = 6,963 : x
  2. Step 2: Convert to fraction form
    17,907/26,860.50 = 6,963/x
  3. Step 3: Cross multiply
    17,907x = 26,860.50 × 6,963
  4. Step 4: Simplify right side
    17,907x = 187,029,661.50
  5. Step 5: Solve for x
    x = 187,029,661.50/17,907
  6. Step 6: Final answer
    x = 10,444.50

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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.