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Finding the Fourth Proportional to 7,623, 11,434.50 and 3,006

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Solution

The fourth proportional to 7,623, 11,434.50 and 3,006 is: 4,509

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623 : 11,434.50 = 3,006 : x
  2. Step 2: Convert to fraction form
    7,623/11,434.50 = 3,006/x
  3. Step 3: Cross multiply
    7,623x = 11,434.50 × 3,006
  4. Step 4: Simplify right side
    7,623x = 34,372,107
  5. Step 5: Solve for x
    x = 34,372,107/7,623
  6. Step 6: Final answer
    x = 4,509

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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.