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Finding the Fourth Proportional to 25,015, 37,480.92 and 17,603.88

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Solution

The fourth proportional to 25,015, 37,480.92 and 17,603.88 is: 26,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,015 : 37,480.92 = 17,603.88 : x
  2. Step 2: Convert to fraction form
    25,015/37,480.92 = 17,603.88/x
  3. Step 3: Cross multiply
    25,015x = 37,480.92 × 17,603.88
  4. Step 4: Simplify right side
    25,015x = 659,809,617.97
  5. Step 5: Solve for x
    x = 659,809,617.97/25,015
  6. Step 6: Final answer
    x = 26,376.56

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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.