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Finding the Fourth Proportional to 4,892.63, 6,751.82 and 2,796.80

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Solution

The fourth proportional to 4,892.63, 6,751.82 and 2,796.80 is: 3,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.63 : 6,751.82 = 2,796.80 : x
  2. Step 2: Convert to fraction form
    4,892.63/6,751.82 = 2,796.80/x
  3. Step 3: Cross multiply
    4,892.63x = 6,751.82 × 2,796.80
  4. Step 4: Simplify right side
    4,892.63x = 18,883,463.41
  5. Step 5: Solve for x
    x = 18,883,463.41/4,892.63
  6. Step 6: Final answer
    x = 3,859.58

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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.