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Finding the Fourth Proportional to 16,936.31, 23,372.12 and 9,484.31

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Solution

The fourth proportional to 16,936.31, 23,372.12 and 9,484.31 is: 13,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,936.31 : 23,372.12 = 9,484.31 : x
  2. Step 2: Convert to fraction form
    16,936.31/23,372.12 = 9,484.31/x
  3. Step 3: Cross multiply
    16,936.31x = 23,372.12 × 9,484.31
  4. Step 4: Simplify right side
    16,936.31x = 221,668,513.58
  5. Step 5: Solve for x
    x = 221,668,513.58/16,936.31
  6. Step 6: Final answer
    x = 13,088.36

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1.5x scale

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.