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Finding the Fourth Proportional to 8,375.50, 11,567.91 and 5,576.14

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Solution

The fourth proportional to 8,375.50, 11,567.91 and 5,576.14 is: 7,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.50 : 11,567.91 = 5,576.14 : x
  2. Step 2: Convert to fraction form
    8,375.50/11,567.91 = 5,576.14/x
  3. Step 3: Cross multiply
    8,375.50x = 11,567.91 × 5,576.14
  4. Step 4: Simplify right side
    8,375.50x = 64,504,285.67
  5. Step 5: Solve for x
    x = 64,504,285.67/8,375.50
  6. Step 6: Final answer
    x = 7,701.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.