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Finding the Fourth Proportional to 18,805.36, 25,760.06 and 18,598

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Solution

The fourth proportional to 18,805.36, 25,760.06 and 18,598 is: 25,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805.36 : 25,760.06 = 18,598 : x
  2. Step 2: Convert to fraction form
    18,805.36/25,760.06 = 18,598/x
  3. Step 3: Cross multiply
    18,805.36x = 25,760.06 × 18,598
  4. Step 4: Simplify right side
    18,805.36x = 479,085,595.88
  5. Step 5: Solve for x
    x = 479,085,595.88/18,805.36
  6. Step 6: Final answer
    x = 25,476.01

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.