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Finding the Fourth Proportional to 16,916, 23,344.08 and 9,465.44

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Solution

The fourth proportional to 16,916, 23,344.08 and 9,465.44 is: 13,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916 : 23,344.08 = 9,465.44 : x
  2. Step 2: Convert to fraction form
    16,916/23,344.08 = 9,465.44/x
  3. Step 3: Cross multiply
    16,916x = 23,344.08 × 9,465.44
  4. Step 4: Simplify right side
    16,916x = 220,961,988.60
  5. Step 5: Solve for x
    x = 220,961,988.60/16,916
  6. Step 6: Final answer
    x = 13,062.31

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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.