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Finding the Fourth Proportional to 4,995.72, 6,894.14 and 2,757.68

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Solution

The fourth proportional to 4,995.72, 6,894.14 and 2,757.68 is: 3,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.72 : 6,894.14 = 2,757.68 : x
  2. Step 2: Convert to fraction form
    4,995.72/6,894.14 = 2,757.68/x
  3. Step 3: Cross multiply
    4,995.72x = 6,894.14 × 2,757.68
  4. Step 4: Simplify right side
    4,995.72x = 19,011,832.00
  5. Step 5: Solve for x
    x = 19,011,832.00/4,995.72
  6. Step 6: Final answer
    x = 3,805.62

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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.