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Finding the Fourth Proportional to 30,850.03, 42,573.06 and 17,422.16

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Solution

The fourth proportional to 30,850.03, 42,573.06 and 17,422.16 is: 24,042.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,850.03 : 42,573.06 = 17,422.16 : x
  2. Step 2: Convert to fraction form
    30,850.03/42,573.06 = 17,422.16/x
  3. Step 3: Cross multiply
    30,850.03x = 42,573.06 × 17,422.16
  4. Step 4: Simplify right side
    30,850.03x = 741,714,450.14
  5. Step 5: Solve for x
    x = 741,714,450.14/30,850.03
  6. Step 6: Final answer
    x = 24,042.58

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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.