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Finding the Fourth Proportional to 18,625.80, 27,941.94 and 7,532.04

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Solution

The fourth proportional to 18,625.80, 27,941.94 and 7,532.04 is: 11,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.80 : 27,941.94 = 7,532.04 : x
  2. Step 2: Convert to fraction form
    18,625.80/27,941.94 = 7,532.04/x
  3. Step 3: Cross multiply
    18,625.80x = 27,941.94 × 7,532.04
  4. Step 4: Simplify right side
    18,625.80x = 210,459,809.76
  5. Step 5: Solve for x
    x = 210,459,809.76/18,625.80
  6. Step 6: Final answer
    x = 11,299.37

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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.