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Finding the Fourth Proportional to 3,764.88, 5,617.35 and 3,346.92

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Solution

The fourth proportional to 3,764.88, 5,617.35 and 3,346.92 is: 4,993.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.88 : 5,617.35 = 3,346.92 : x
  2. Step 2: Convert to fraction form
    3,764.88/5,617.35 = 3,346.92/x
  3. Step 3: Cross multiply
    3,764.88x = 5,617.35 × 3,346.92
  4. Step 4: Simplify right side
    3,764.88x = 18,800,821.06
  5. Step 5: Solve for x
    x = 18,800,821.06/3,764.88
  6. Step 6: Final answer
    x = 4,993.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.