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Finding the Fourth Proportional to 6,647.37, 9,971.06 and 6,241.41

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Solution

The fourth proportional to 6,647.37, 9,971.06 and 6,241.41 is: 9,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.37 : 9,971.06 = 6,241.41 : x
  2. Step 2: Convert to fraction form
    6,647.37/9,971.06 = 6,241.41/x
  3. Step 3: Cross multiply
    6,647.37x = 9,971.06 × 6,241.41
  4. Step 4: Simplify right side
    6,647.37x = 62,233,442.39
  5. Step 5: Solve for x
    x = 62,233,442.39/6,647.37
  6. Step 6: Final answer
    x = 9,362.12

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Similar ratio
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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.