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Finding the Fourth Proportional to 7,971.01, 11,955.60 and 3,040.54

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Solution

The fourth proportional to 7,971.01, 11,955.60 and 3,040.54 is: 4,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.01 : 11,955.60 = 3,040.54 : x
  2. Step 2: Convert to fraction form
    7,971.01/11,955.60 = 3,040.54/x
  3. Step 3: Cross multiply
    7,971.01x = 11,955.60 × 3,040.54
  4. Step 4: Simplify right side
    7,971.01x = 36,351,450.14
  5. Step 5: Solve for x
    x = 36,351,450.14/7,971.01
  6. Step 6: Final answer
    x = 4,560.46

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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.