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Finding the Fourth Proportional to 12,868.26, 17,596.03 and 12,868.26

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Solution

The fourth proportional to 12,868.26, 17,596.03 and 12,868.26 is: 17,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868.26 : 17,596.03 = 12,868.26 : x
  2. Step 2: Convert to fraction form
    12,868.26/17,596.03 = 12,868.26/x
  3. Step 3: Cross multiply
    12,868.26x = 17,596.03 × 12,868.26
  4. Step 4: Simplify right side
    12,868.26x = 226,430,289.01
  5. Step 5: Solve for x
    x = 226,430,289.01/12,868.26
  6. Step 6: Final answer
    x = 17,596.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.