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Finding the Fourth Proportional to 7,863.56, 11,795.52 and 2,596.88

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Solution

The fourth proportional to 7,863.56, 11,795.52 and 2,596.88 is: 3,895.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.56 : 11,795.52 = 2,596.88 : x
  2. Step 2: Convert to fraction form
    7,863.56/11,795.52 = 2,596.88/x
  3. Step 3: Cross multiply
    7,863.56x = 11,795.52 × 2,596.88
  4. Step 4: Simplify right side
    7,863.56x = 30,631,549.98
  5. Step 5: Solve for x
    x = 30,631,549.98/7,863.56
  6. Step 6: Final answer
    x = 3,895.38

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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.