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Finding the Fourth Proportional to 17,961.16, 26,954.04 and 6,274.40

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Solution

The fourth proportional to 17,961.16, 26,954.04 and 6,274.40 is: 9,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.16 : 26,954.04 = 6,274.40 : x
  2. Step 2: Convert to fraction form
    17,961.16/26,954.04 = 6,274.40/x
  3. Step 3: Cross multiply
    17,961.16x = 26,954.04 × 6,274.40
  4. Step 4: Simplify right side
    17,961.16x = 169,120,428.58
  5. Step 5: Solve for x
    x = 169,120,428.58/17,961.16
  6. Step 6: Final answer
    x = 9,415.90

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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.