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Finding the Fourth Proportional to 4,424, 6,636 and 1,346

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Solution

The fourth proportional to 4,424, 6,636 and 1,346 is: 2,019

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,424 : 6,636 = 1,346 : x
  2. Step 2: Convert to fraction form
    4,424/6,636 = 1,346/x
  3. Step 3: Cross multiply
    4,424x = 6,636 × 1,346
  4. Step 4: Simplify right side
    4,424x = 8,932,056
  5. Step 5: Solve for x
    x = 8,932,056/4,424
  6. Step 6: Final answer
    x = 2,019

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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.