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Finding the Fourth Proportional to 7,758.88, 11,636.46 and 3,596.29

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Solution

The fourth proportional to 7,758.88, 11,636.46 and 3,596.29 is: 5,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.88 : 11,636.46 = 3,596.29 : x
  2. Step 2: Convert to fraction form
    7,758.88/11,636.46 = 3,596.29/x
  3. Step 3: Cross multiply
    7,758.88x = 11,636.46 × 3,596.29
  4. Step 4: Simplify right side
    7,758.88x = 41,848,084.73
  5. Step 5: Solve for x
    x = 41,848,084.73/7,758.88
  6. Step 6: Final answer
    x = 5,393.57

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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.