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Finding the Fourth Proportional to 5,245.45, 7,836.26 and 3,752.82

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Solution

The fourth proportional to 5,245.45, 7,836.26 and 3,752.82 is: 5,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.45 : 7,836.26 = 3,752.82 : x
  2. Step 2: Convert to fraction form
    5,245.45/7,836.26 = 3,752.82/x
  3. Step 3: Cross multiply
    5,245.45x = 7,836.26 × 3,752.82
  4. Step 4: Simplify right side
    5,245.45x = 29,408,054.49
  5. Step 5: Solve for x
    x = 29,408,054.49/5,245.45
  6. Step 6: Final answer
    x = 5,606.40

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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.