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Finding the Fourth Proportional to 4,245.70, 6,368.55 and 3,093.70

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Solution

The fourth proportional to 4,245.70, 6,368.55 and 3,093.70 is: 4,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.70 : 6,368.55 = 3,093.70 : x
  2. Step 2: Convert to fraction form
    4,245.70/6,368.55 = 3,093.70/x
  3. Step 3: Cross multiply
    4,245.70x = 6,368.55 × 3,093.70
  4. Step 4: Simplify right side
    4,245.70x = 19,702,383.14
  5. Step 5: Solve for x
    x = 19,702,383.14/4,245.70
  6. Step 6: Final answer
    x = 4,640.55

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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.