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Finding the Fourth Proportional to 23,689, 35,539.26 and 7,273

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Solution

The fourth proportional to 23,689, 35,539.26 and 7,273 is: 10,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689 : 35,539.26 = 7,273 : x
  2. Step 2: Convert to fraction form
    23,689/35,539.26 = 7,273/x
  3. Step 3: Cross multiply
    23,689x = 35,539.26 × 7,273
  4. Step 4: Simplify right side
    23,689x = 258,477,037.98
  5. Step 5: Solve for x
    x = 258,477,037.98/23,689
  6. Step 6: Final answer
    x = 10,911.27

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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.