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Finding the Fourth Proportional to 3,672.44, 5,068.44 and 2,100.50

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Solution

The fourth proportional to 3,672.44, 5,068.44 and 2,100.50 is: 2,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.44 : 5,068.44 = 2,100.50 : x
  2. Step 2: Convert to fraction form
    3,672.44/5,068.44 = 2,100.50/x
  3. Step 3: Cross multiply
    3,672.44x = 5,068.44 × 2,100.50
  4. Step 4: Simplify right side
    3,672.44x = 10,646,258.22
  5. Step 5: Solve for x
    x = 10,646,258.22/3,672.44
  6. Step 6: Final answer
    x = 2,898.96

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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.