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Finding the Fourth Proportional to 6,696.97, 9,241.61 and 3,712.63

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Solution

The fourth proportional to 6,696.97, 9,241.61 and 3,712.63 is: 5,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,696.97 : 9,241.61 = 3,712.63 : x
  2. Step 2: Convert to fraction form
    6,696.97/9,241.61 = 3,712.63/x
  3. Step 3: Cross multiply
    6,696.97x = 9,241.61 × 3,712.63
  4. Step 4: Simplify right side
    6,696.97x = 34,310,664.71
  5. Step 5: Solve for x
    x = 34,310,664.71/6,696.97
  6. Step 6: Final answer
    x = 5,123.31

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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.