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Finding the Fourth Proportional to 22,679.40, 34,016.70 and 7,096.20

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Solution

The fourth proportional to 22,679.40, 34,016.70 and 7,096.20 is: 10,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.40 : 34,016.70 = 7,096.20 : x
  2. Step 2: Convert to fraction form
    22,679.40/34,016.70 = 7,096.20/x
  3. Step 3: Cross multiply
    22,679.40x = 34,016.70 × 7,096.20
  4. Step 4: Simplify right side
    22,679.40x = 241,389,306.54
  5. Step 5: Solve for x
    x = 241,389,306.54/22,679.40
  6. Step 6: Final answer
    x = 10,643.55

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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.