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Finding the Fourth Proportional to 4,995.50, 6,893.71 and 2,757.38

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Solution

The fourth proportional to 4,995.50, 6,893.71 and 2,757.38 is: 3,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.50 : 6,893.71 = 2,757.38 : x
  2. Step 2: Convert to fraction form
    4,995.50/6,893.71 = 2,757.38/x
  3. Step 3: Cross multiply
    4,995.50x = 6,893.71 × 2,757.38
  4. Step 4: Simplify right side
    4,995.50x = 19,008,536.72
  5. Step 5: Solve for x
    x = 19,008,536.72/4,995.50
  6. Step 6: Final answer
    x = 3,805.14

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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.