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Finding the Fourth Proportional to 7,794.41, 11,699.16 and 7,372.96

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Solution

The fourth proportional to 7,794.41, 11,699.16 and 7,372.96 is: 11,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.41 : 11,699.16 = 7,372.96 : x
  2. Step 2: Convert to fraction form
    7,794.41/11,699.16 = 7,372.96/x
  3. Step 3: Cross multiply
    7,794.41x = 11,699.16 × 7,372.96
  4. Step 4: Simplify right side
    7,794.41x = 86,257,451.91
  5. Step 5: Solve for x
    x = 86,257,451.91/7,794.41
  6. Step 6: Final answer
    x = 11,066.57

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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.