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Finding the Fourth Proportional to 3,774.67, 5,662.03 and 2,213.58

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Solution

The fourth proportional to 3,774.67, 5,662.03 and 2,213.58 is: 3,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.67 : 5,662.03 = 2,213.58 : x
  2. Step 2: Convert to fraction form
    3,774.67/5,662.03 = 2,213.58/x
  3. Step 3: Cross multiply
    3,774.67x = 5,662.03 × 2,213.58
  4. Step 4: Simplify right side
    3,774.67x = 12,533,345.30
  5. Step 5: Solve for x
    x = 12,533,345.30/3,774.67
  6. Step 6: Final answer
    x = 3,320.39

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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.