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Finding the Fourth Proportional to 6,898.77, 10,340.80 and 2,736.99

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Solution

The fourth proportional to 6,898.77, 10,340.80 and 2,736.99 is: 4,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.77 : 10,340.80 = 2,736.99 : x
  2. Step 2: Convert to fraction form
    6,898.77/10,340.80 = 2,736.99/x
  3. Step 3: Cross multiply
    6,898.77x = 10,340.80 × 2,736.99
  4. Step 4: Simplify right side
    6,898.77x = 28,302,659.35
  5. Step 5: Solve for x
    x = 28,302,659.35/6,898.77
  6. Step 6: Final answer
    x = 4,102.57

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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.