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Finding the Fourth Proportional to 6,915.98, 9,544.62 and 3,932.75

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Solution

The fourth proportional to 6,915.98, 9,544.62 and 3,932.75 is: 5,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.98 : 9,544.62 = 3,932.75 : x
  2. Step 2: Convert to fraction form
    6,915.98/9,544.62 = 3,932.75/x
  3. Step 3: Cross multiply
    6,915.98x = 9,544.62 × 3,932.75
  4. Step 4: Simplify right side
    6,915.98x = 37,536,556.58
  5. Step 5: Solve for x
    x = 37,536,556.58/6,915.98
  6. Step 6: Final answer
    x = 5,427.51

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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.