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Finding the Fourth Proportional to 8,861.94, 12,230.02 and 4,883.05

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Solution

The fourth proportional to 8,861.94, 12,230.02 and 4,883.05 is: 6,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.94 : 12,230.02 = 4,883.05 : x
  2. Step 2: Convert to fraction form
    8,861.94/12,230.02 = 4,883.05/x
  3. Step 3: Cross multiply
    8,861.94x = 12,230.02 × 4,883.05
  4. Step 4: Simplify right side
    8,861.94x = 59,719,820.55
  5. Step 5: Solve for x
    x = 59,719,820.55/8,861.94
  6. Step 6: Final answer
    x = 6,738.91

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Similar ratio
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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.