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Finding the Fourth Proportional to 7,169.67, 9,896.13 and 5,045.67

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Solution

The fourth proportional to 7,169.67, 9,896.13 and 5,045.67 is: 6,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.67 : 9,896.13 = 5,045.67 : x
  2. Step 2: Convert to fraction form
    7,169.67/9,896.13 = 5,045.67/x
  3. Step 3: Cross multiply
    7,169.67x = 9,896.13 × 5,045.67
  4. Step 4: Simplify right side
    7,169.67x = 49,932,606.26
  5. Step 5: Solve for x
    x = 49,932,606.26/7,169.67
  6. Step 6: Final answer
    x = 6,964.42

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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.