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Finding the Fourth Proportional to 7,912.01, 11,873.85 and 3,752.03

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Solution

The fourth proportional to 7,912.01, 11,873.85 and 3,752.03 is: 5,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.01 : 11,873.85 = 3,752.03 : x
  2. Step 2: Convert to fraction form
    7,912.01/11,873.85 = 3,752.03/x
  3. Step 3: Cross multiply
    7,912.01x = 11,873.85 × 3,752.03
  4. Step 4: Simplify right side
    7,912.01x = 44,550,963.29
  5. Step 5: Solve for x
    x = 44,550,963.29/7,912.01
  6. Step 6: Final answer
    x = 5,630.81

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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.