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Finding the Fourth Proportional to 12,291.37, 16,962.05 and 6,702.37

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Solution

The fourth proportional to 12,291.37, 16,962.05 and 6,702.37 is: 9,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291.37 : 16,962.05 = 6,702.37 : x
  2. Step 2: Convert to fraction form
    12,291.37/16,962.05 = 6,702.37/x
  3. Step 3: Cross multiply
    12,291.37x = 16,962.05 × 6,702.37
  4. Step 4: Simplify right side
    12,291.37x = 113,685,867.00
  5. Step 5: Solve for x
    x = 113,685,867.00/12,291.37
  6. Step 6: Final answer
    x = 9,249.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.