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Finding the Fourth Proportional to 8,861.04, 12,227.76 and 4,881.38

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Solution

The fourth proportional to 8,861.04, 12,227.76 and 4,881.38 is: 6,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.04 : 12,227.76 = 4,881.38 : x
  2. Step 2: Convert to fraction form
    8,861.04/12,227.76 = 4,881.38/x
  3. Step 3: Cross multiply
    8,861.04x = 12,227.76 × 4,881.38
  4. Step 4: Simplify right side
    8,861.04x = 59,688,343.11
  5. Step 5: Solve for x
    x = 59,688,343.11/8,861.04
  6. Step 6: Final answer
    x = 6,736.04

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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.