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Finding the Fourth Proportional to 6,881.37, 9,497.99 and 3,898.97

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Solution

The fourth proportional to 6,881.37, 9,497.99 and 3,898.97 is: 5,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.37 : 9,497.99 = 3,898.97 : x
  2. Step 2: Convert to fraction form
    6,881.37/9,497.99 = 3,898.97/x
  3. Step 3: Cross multiply
    6,881.37x = 9,497.99 × 3,898.97
  4. Step 4: Simplify right side
    6,881.37x = 37,032,375.95
  5. Step 5: Solve for x
    x = 37,032,375.95/6,881.37
  6. Step 6: Final answer
    x = 5,381.54

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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.