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Finding the Fourth Proportional to 6,556.76, 9,048.97 and 4,040.34

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Solution

The fourth proportional to 6,556.76, 9,048.97 and 4,040.34 is: 5,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.76 : 9,048.97 = 4,040.34 : x
  2. Step 2: Convert to fraction form
    6,556.76/9,048.97 = 4,040.34/x
  3. Step 3: Cross multiply
    6,556.76x = 9,048.97 × 4,040.34
  4. Step 4: Simplify right side
    6,556.76x = 36,560,915.45
  5. Step 5: Solve for x
    x = 36,560,915.45/6,556.76
  6. Step 6: Final answer
    x = 5,576.06

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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.