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Finding the Fourth Proportional to 6,897.60, 10,331.33 and 6,745.41

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Solution

The fourth proportional to 6,897.60, 10,331.33 and 6,745.41 is: 10,103.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.60 : 10,331.33 = 6,745.41 : x
  2. Step 2: Convert to fraction form
    6,897.60/10,331.33 = 6,745.41/x
  3. Step 3: Cross multiply
    6,897.60x = 10,331.33 × 6,745.41
  4. Step 4: Simplify right side
    6,897.60x = 69,689,022.97
  5. Step 5: Solve for x
    x = 69,689,022.97/6,897.60
  6. Step 6: Final answer
    x = 10,103.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.