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Finding the Fourth Proportional to 3,523.58, 5,285.37 and 1,443.62

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Solution

The fourth proportional to 3,523.58, 5,285.37 and 1,443.62 is: 2,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.58 : 5,285.37 = 1,443.62 : x
  2. Step 2: Convert to fraction form
    3,523.58/5,285.37 = 1,443.62/x
  3. Step 3: Cross multiply
    3,523.58x = 5,285.37 × 1,443.62
  4. Step 4: Simplify right side
    3,523.58x = 7,630,065.84
  5. Step 5: Solve for x
    x = 7,630,065.84/3,523.58
  6. Step 6: Final answer
    x = 2,165.43

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Similar ratio
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1.5x scale

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.