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Finding the Fourth Proportional to 4,893.18, 7,340.01 and 1,971.09

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Solution

The fourth proportional to 4,893.18, 7,340.01 and 1,971.09 is: 2,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.18 : 7,340.01 = 1,971.09 : x
  2. Step 2: Convert to fraction form
    4,893.18/7,340.01 = 1,971.09/x
  3. Step 3: Cross multiply
    4,893.18x = 7,340.01 × 1,971.09
  4. Step 4: Simplify right side
    4,893.18x = 14,467,820.31
  5. Step 5: Solve for x
    x = 14,467,820.31/4,893.18
  6. Step 6: Final answer
    x = 2,956.73

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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.