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Finding the Fourth Proportional to 27,375.72, 41,063.64 and 8,907.72

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Solution

The fourth proportional to 27,375.72, 41,063.64 and 8,907.72 is: 13,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,375.72 : 41,063.64 = 8,907.72 : x
  2. Step 2: Convert to fraction form
    27,375.72/41,063.64 = 8,907.72/x
  3. Step 3: Cross multiply
    27,375.72x = 41,063.64 × 8,907.72
  4. Step 4: Simplify right side
    27,375.72x = 365,783,407.30
  5. Step 5: Solve for x
    x = 365,783,407.30/27,375.72
  6. Step 6: Final answer
    x = 13,361.60

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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.