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Finding the Fourth Proportional to 3,522.70, 5,284.05 and 3,306.70

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Solution

The fourth proportional to 3,522.70, 5,284.05 and 3,306.70 is: 4,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.70 : 5,284.05 = 3,306.70 : x
  2. Step 2: Convert to fraction form
    3,522.70/5,284.05 = 3,306.70/x
  3. Step 3: Cross multiply
    3,522.70x = 5,284.05 × 3,306.70
  4. Step 4: Simplify right side
    3,522.70x = 17,472,768.14
  5. Step 5: Solve for x
    x = 17,472,768.14/3,522.70
  6. Step 6: Final answer
    x = 4,960.05

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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.