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Finding the Fourth Proportional to 7,751.55, 11,627.32 and 3,367.98

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Solution

The fourth proportional to 7,751.55, 11,627.32 and 3,367.98 is: 5,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.55 : 11,627.32 = 3,367.98 : x
  2. Step 2: Convert to fraction form
    7,751.55/11,627.32 = 3,367.98/x
  3. Step 3: Cross multiply
    7,751.55x = 11,627.32 × 3,367.98
  4. Step 4: Simplify right side
    7,751.55x = 39,160,588.58
  5. Step 5: Solve for x
    x = 39,160,588.58/7,751.55
  6. Step 6: Final answer
    x = 5,051.97

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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.