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Finding the Fourth Proportional to 4,791.66, 6,612.49 and 2,695.78

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Solution

The fourth proportional to 4,791.66, 6,612.49 and 2,695.78 is: 3,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.66 : 6,612.49 = 2,695.78 : x
  2. Step 2: Convert to fraction form
    4,791.66/6,612.49 = 2,695.78/x
  3. Step 3: Cross multiply
    4,791.66x = 6,612.49 × 2,695.78
  4. Step 4: Simplify right side
    4,791.66x = 17,825,814.76
  5. Step 5: Solve for x
    x = 17,825,814.76/4,791.66
  6. Step 6: Final answer
    x = 3,720.18

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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.