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Finding the Fourth Proportional to 30,625.80, 45,938.04 and 17,450.04

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Solution

The fourth proportional to 30,625.80, 45,938.04 and 17,450.04 is: 26,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,625.80 : 45,938.04 = 17,450.04 : x
  2. Step 2: Convert to fraction form
    30,625.80/45,938.04 = 17,450.04/x
  3. Step 3: Cross multiply
    30,625.80x = 45,938.04 × 17,450.04
  4. Step 4: Simplify right side
    30,625.80x = 801,620,635.52
  5. Step 5: Solve for x
    x = 801,620,635.52/30,625.80
  6. Step 6: Final answer
    x = 26,174.68

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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.