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Finding the Fourth Proportional to 7,016.67, 9,695.34 and 5,611.97

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Solution

The fourth proportional to 7,016.67, 9,695.34 and 5,611.97 is: 7,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,016.67 : 9,695.34 = 5,611.97 : x
  2. Step 2: Convert to fraction form
    7,016.67/9,695.34 = 5,611.97/x
  3. Step 3: Cross multiply
    7,016.67x = 9,695.34 × 5,611.97
  4. Step 4: Simplify right side
    7,016.67x = 54,409,908.74
  5. Step 5: Solve for x
    x = 54,409,908.74/7,016.67
  6. Step 6: Final answer
    x = 7,754.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.