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Finding the Fourth Proportional to 7,326.21, 10,993.41 and 7,266.70

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Solution

The fourth proportional to 7,326.21, 10,993.41 and 7,266.70 is: 10,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.21 : 10,993.41 = 7,266.70 : x
  2. Step 2: Convert to fraction form
    7,326.21/10,993.41 = 7,266.70/x
  3. Step 3: Cross multiply
    7,326.21x = 10,993.41 × 7,266.70
  4. Step 4: Simplify right side
    7,326.21x = 79,885,812.45
  5. Step 5: Solve for x
    x = 79,885,812.45/7,326.21
  6. Step 6: Final answer
    x = 10,904.11

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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.