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Finding the Fourth Proportional to 7,960.16, 11,907.08 and 7,369.66

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Solution

The fourth proportional to 7,960.16, 11,907.08 and 7,369.66 is: 11,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.16 : 11,907.08 = 7,369.66 : x
  2. Step 2: Convert to fraction form
    7,960.16/11,907.08 = 7,369.66/x
  3. Step 3: Cross multiply
    7,960.16x = 11,907.08 × 7,369.66
  4. Step 4: Simplify right side
    7,960.16x = 87,751,131.19
  5. Step 5: Solve for x
    x = 87,751,131.19/7,960.16
  6. Step 6: Final answer
    x = 11,023.79

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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.