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Finding the Fourth Proportional to 4,627.72, 6,944.01 and 2,440.72

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Solution

The fourth proportional to 4,627.72, 6,944.01 and 2,440.72 is: 3,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.72 : 6,944.01 = 2,440.72 : x
  2. Step 2: Convert to fraction form
    4,627.72/6,944.01 = 2,440.72/x
  3. Step 3: Cross multiply
    4,627.72x = 6,944.01 × 2,440.72
  4. Step 4: Simplify right side
    4,627.72x = 16,948,384.09
  5. Step 5: Solve for x
    x = 16,948,384.09/4,627.72
  6. Step 6: Final answer
    x = 3,662.36

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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.