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Finding the Fourth Proportional to 7,973, 11,961.42 and 2,501

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Solution

The fourth proportional to 7,973, 11,961.42 and 2,501 is: 3,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973 : 11,961.42 = 2,501 : x
  2. Step 2: Convert to fraction form
    7,973/11,961.42 = 2,501/x
  3. Step 3: Cross multiply
    7,973x = 11,961.42 × 2,501
  4. Step 4: Simplify right side
    7,973x = 29,915,511.42
  5. Step 5: Solve for x
    x = 29,915,511.42/7,973
  6. Step 6: Final answer
    x = 3,752.10

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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.