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Finding the Fourth Proportional to 2,251.77, 3,107.77 and 1,624.38

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Solution

The fourth proportional to 2,251.77, 3,107.77 and 1,624.38 is: 2,241.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.77 : 3,107.77 = 1,624.38 : x
  2. Step 2: Convert to fraction form
    2,251.77/3,107.77 = 1,624.38/x
  3. Step 3: Cross multiply
    2,251.77x = 3,107.77 × 1,624.38
  4. Step 4: Simplify right side
    2,251.77x = 5,048,199.43
  5. Step 5: Solve for x
    x = 5,048,199.43/2,251.77
  6. Step 6: Final answer
    x = 2,241.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.