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Finding the Fourth Proportional to 23,690, 35,535 and 7,274

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Solution

The fourth proportional to 23,690, 35,535 and 7,274 is: 10,911

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,690 : 35,535 = 7,274 : x
  2. Step 2: Convert to fraction form
    23,690/35,535 = 7,274/x
  3. Step 3: Cross multiply
    23,690x = 35,535 × 7,274
  4. Step 4: Simplify right side
    23,690x = 258,481,590
  5. Step 5: Solve for x
    x = 258,481,590/23,690
  6. Step 6: Final answer
    x = 10,911

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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.