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Finding the Fourth Proportional to 7,393.80, 11,084.81 and 4,270.26

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Solution

The fourth proportional to 7,393.80, 11,084.81 and 4,270.26 is: 6,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.80 : 11,084.81 = 4,270.26 : x
  2. Step 2: Convert to fraction form
    7,393.80/11,084.81 = 4,270.26/x
  3. Step 3: Cross multiply
    7,393.80x = 11,084.81 × 4,270.26
  4. Step 4: Simplify right side
    7,393.80x = 47,335,020.75
  5. Step 5: Solve for x
    x = 47,335,020.75/7,393.80
  6. Step 6: Final answer
    x = 6,401.99

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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.