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Finding the Fourth Proportional to 9,611.67, 13,263.89 and 5,362.67

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Solution

The fourth proportional to 9,611.67, 13,263.89 and 5,362.67 is: 7,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.67 : 13,263.89 = 5,362.67 : x
  2. Step 2: Convert to fraction form
    9,611.67/13,263.89 = 5,362.67/x
  3. Step 3: Cross multiply
    9,611.67x = 13,263.89 × 5,362.67
  4. Step 4: Simplify right side
    9,611.67x = 71,129,771.85
  5. Step 5: Solve for x
    x = 71,129,771.85/9,611.67
  6. Step 6: Final answer
    x = 7,400.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.