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Finding the Fourth Proportional to 4,839.82, 6,678.75 and 2,850.46

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Solution

The fourth proportional to 4,839.82, 6,678.75 and 2,850.46 is: 3,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.82 : 6,678.75 = 2,850.46 : x
  2. Step 2: Convert to fraction form
    4,839.82/6,678.75 = 2,850.46/x
  3. Step 3: Cross multiply
    4,839.82x = 6,678.75 × 2,850.46
  4. Step 4: Simplify right side
    4,839.82x = 19,037,503.72
  5. Step 5: Solve for x
    x = 19,037,503.72/4,839.82
  6. Step 6: Final answer
    x = 3,933.52

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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.