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Finding the Fourth Proportional to 7,370.54, 11,047.70 and 3,205.70

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Solution

The fourth proportional to 7,370.54, 11,047.70 and 3,205.70 is: 4,805.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.54 : 11,047.70 = 3,205.70 : x
  2. Step 2: Convert to fraction form
    7,370.54/11,047.70 = 3,205.70/x
  3. Step 3: Cross multiply
    7,370.54x = 11,047.70 × 3,205.70
  4. Step 4: Simplify right side
    7,370.54x = 35,415,611.89
  5. Step 5: Solve for x
    x = 35,415,611.89/7,370.54
  6. Step 6: Final answer
    x = 4,805.02

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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.