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Finding the Fourth Proportional to 4,797.21, 7,193.74 and 1,676.28

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Solution

The fourth proportional to 4,797.21, 7,193.74 and 1,676.28 is: 2,513.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.21 : 7,193.74 = 1,676.28 : x
  2. Step 2: Convert to fraction form
    4,797.21/7,193.74 = 1,676.28/x
  3. Step 3: Cross multiply
    4,797.21x = 7,193.74 × 1,676.28
  4. Step 4: Simplify right side
    4,797.21x = 12,058,722.49
  5. Step 5: Solve for x
    x = 12,058,722.49/4,797.21
  6. Step 6: Final answer
    x = 2,513.69

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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.