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Finding the Fourth Proportional to 5,043.96, 6,960.84 and 2,805.84

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Solution

The fourth proportional to 5,043.96, 6,960.84 and 2,805.84 is: 3,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.96 : 6,960.84 = 2,805.84 : x
  2. Step 2: Convert to fraction form
    5,043.96/6,960.84 = 2,805.84/x
  3. Step 3: Cross multiply
    5,043.96x = 6,960.84 × 2,805.84
  4. Step 4: Simplify right side
    5,043.96x = 19,531,003.31
  5. Step 5: Solve for x
    x = 19,531,003.31/5,043.96
  6. Step 6: Final answer
    x = 3,872.16

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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.