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Finding the Fourth Proportional to 4,485, 6,732.90 and 3,236.52

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Solution

The fourth proportional to 4,485, 6,732.90 and 3,236.52 is: 4,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485 : 6,732.90 = 3,236.52 : x
  2. Step 2: Convert to fraction form
    4,485/6,732.90 = 3,236.52/x
  3. Step 3: Cross multiply
    4,485x = 6,732.90 × 3,236.52
  4. Step 4: Simplify right side
    4,485x = 21,791,165.51
  5. Step 5: Solve for x
    x = 21,791,165.51/4,485
  6. Step 6: Final answer
    x = 4,858.68

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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.