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Finding the Fourth Proportional to 62,402, 93,603 and 18,626

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Solution

The fourth proportional to 62,402, 93,603 and 18,626 is: 27,939

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,402 : 93,603 = 18,626 : x
  2. Step 2: Convert to fraction form
    62,402/93,603 = 18,626/x
  3. Step 3: Cross multiply
    62,402x = 93,603 × 18,626
  4. Step 4: Simplify right side
    62,402x = 1,743,449,478
  5. Step 5: Solve for x
    x = 1,743,449,478/62,402
  6. Step 6: Final answer
    x = 27,939

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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.