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Finding the Fourth Proportional to 6,861.79, 10,263 and 4,043.94

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Solution

The fourth proportional to 6,861.79, 10,263 and 4,043.94 is: 6,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.79 : 10,263 = 4,043.94 : x
  2. Step 2: Convert to fraction form
    6,861.79/10,263 = 4,043.94/x
  3. Step 3: Cross multiply
    6,861.79x = 10,263 × 4,043.94
  4. Step 4: Simplify right side
    6,861.79x = 41,502,956.22
  5. Step 5: Solve for x
    x = 41,502,956.22/6,861.79
  6. Step 6: Final answer
    x = 6,048.42

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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.