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Finding the Fourth Proportional to 30,949.62, 42,662.04 and 25,904.94

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Solution

The fourth proportional to 30,949.62, 42,662.04 and 25,904.94 is: 35,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,949.62 : 42,662.04 = 25,904.94 : x
  2. Step 2: Convert to fraction form
    30,949.62/42,662.04 = 25,904.94/x
  3. Step 3: Cross multiply
    30,949.62x = 42,662.04 × 25,904.94
  4. Step 4: Simplify right side
    30,949.62x = 1,105,157,586.48
  5. Step 5: Solve for x
    x = 1,105,157,586.48/30,949.62
  6. Step 6: Final answer
    x = 35,708.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.