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Finding the Fourth Proportional to 6,912.99, 10,370.16 and 2,752.03

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Solution

The fourth proportional to 6,912.99, 10,370.16 and 2,752.03 is: 4,128.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.99 : 10,370.16 = 2,752.03 : x
  2. Step 2: Convert to fraction form
    6,912.99/10,370.16 = 2,752.03/x
  3. Step 3: Cross multiply
    6,912.99x = 10,370.16 × 2,752.03
  4. Step 4: Simplify right side
    6,912.99x = 28,539,001.41
  5. Step 5: Solve for x
    x = 28,539,001.41/6,912.99
  6. Step 6: Final answer
    x = 4,128.31

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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.