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Finding the Fourth Proportional to 7,076.96, 10,616.97 and 2,146.98

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Solution

The fourth proportional to 7,076.96, 10,616.97 and 2,146.98 is: 3,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.96 : 10,616.97 = 2,146.98 : x
  2. Step 2: Convert to fraction form
    7,076.96/10,616.97 = 2,146.98/x
  3. Step 3: Cross multiply
    7,076.96x = 10,616.97 × 2,146.98
  4. Step 4: Simplify right side
    7,076.96x = 22,794,422.25
  5. Step 5: Solve for x
    x = 22,794,422.25/7,076.96
  6. Step 6: Final answer
    x = 3,220.93

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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.