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Finding the Fourth Proportional to 7,381.67, 11,069.80 and 2,450.39

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Solution

The fourth proportional to 7,381.67, 11,069.80 and 2,450.39 is: 3,674.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.67 : 11,069.80 = 2,450.39 : x
  2. Step 2: Convert to fraction form
    7,381.67/11,069.80 = 2,450.39/x
  3. Step 3: Cross multiply
    7,381.67x = 11,069.80 × 2,450.39
  4. Step 4: Simplify right side
    7,381.67x = 27,125,265.75
  5. Step 5: Solve for x
    x = 27,125,265.75/7,381.67
  6. Step 6: Final answer
    x = 3,674.68

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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.