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Finding the Fourth Proportional to 9,874.56, 13,627.88 and 5,895.64

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Solution

The fourth proportional to 9,874.56, 13,627.88 and 5,895.64 is: 8,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,874.56 : 13,627.88 = 5,895.64 : x
  2. Step 2: Convert to fraction form
    9,874.56/13,627.88 = 5,895.64/x
  3. Step 3: Cross multiply
    9,874.56x = 13,627.88 × 5,895.64
  4. Step 4: Simplify right side
    9,874.56x = 80,345,074.44
  5. Step 5: Solve for x
    x = 80,345,074.44/9,874.56
  6. Step 6: Final answer
    x = 8,136.57

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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.