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Finding the Fourth Proportional to 7,034.70, 9,706.26 and 4,202.99

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Solution

The fourth proportional to 7,034.70, 9,706.26 and 4,202.99 is: 5,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034.70 : 9,706.26 = 4,202.99 : x
  2. Step 2: Convert to fraction form
    7,034.70/9,706.26 = 4,202.99/x
  3. Step 3: Cross multiply
    7,034.70x = 9,706.26 × 4,202.99
  4. Step 4: Simplify right side
    7,034.70x = 40,795,313.72
  5. Step 5: Solve for x
    x = 40,795,313.72/7,034.70
  6. Step 6: Final answer
    x = 5,799.15

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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.