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Finding the Fourth Proportional to 33,058, 45,620.16 and 18,154

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Solution

The fourth proportional to 33,058, 45,620.16 and 18,154 is: 25,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,058 : 45,620.16 = 18,154 : x
  2. Step 2: Convert to fraction form
    33,058/45,620.16 = 18,154/x
  3. Step 3: Cross multiply
    33,058x = 45,620.16 × 18,154
  4. Step 4: Simplify right side
    33,058x = 828,188,384.64
  5. Step 5: Solve for x
    x = 828,188,384.64/33,058
  6. Step 6: Final answer
    x = 25,052.59

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Why These Related Problems?

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