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Finding the Fourth Proportional to 4,934.95, 6,809.95 and 2,696.80

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Solution

The fourth proportional to 4,934.95, 6,809.95 and 2,696.80 is: 3,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934.95 : 6,809.95 = 2,696.80 : x
  2. Step 2: Convert to fraction form
    4,934.95/6,809.95 = 2,696.80/x
  3. Step 3: Cross multiply
    4,934.95x = 6,809.95 × 2,696.80
  4. Step 4: Simplify right side
    4,934.95x = 18,365,073.16
  5. Step 5: Solve for x
    x = 18,365,073.16/4,934.95
  6. Step 6: Final answer
    x = 3,721.43

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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.