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Finding the Fourth Proportional to 6,696.35, 9,241.48 and 3,712.47

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Solution

The fourth proportional to 6,696.35, 9,241.48 and 3,712.47 is: 5,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,696.35 : 9,241.48 = 3,712.47 : x
  2. Step 2: Convert to fraction form
    6,696.35/9,241.48 = 3,712.47/x
  3. Step 3: Cross multiply
    6,696.35x = 9,241.48 × 3,712.47
  4. Step 4: Simplify right side
    6,696.35x = 34,308,717.26
  5. Step 5: Solve for x
    x = 34,308,717.26/6,696.35
  6. Step 6: Final answer
    x = 5,123.50

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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.