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Finding the Fourth Proportional to 12,596.72, 18,868.08 and 10,245.56

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Solution

The fourth proportional to 12,596.72, 18,868.08 and 10,245.56 is: 15,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596.72 : 18,868.08 = 10,245.56 : x
  2. Step 2: Convert to fraction form
    12,596.72/18,868.08 = 10,245.56/x
  3. Step 3: Cross multiply
    12,596.72x = 18,868.08 × 10,245.56
  4. Step 4: Simplify right side
    12,596.72x = 193,314,045.72
  5. Step 5: Solve for x
    x = 193,314,045.72/12,596.72
  6. Step 6: Final answer
    x = 15,346.38

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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.