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Finding the Fourth Proportional to 18,653.04, 25,742.04 and 10,694.64

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Solution

The fourth proportional to 18,653.04, 25,742.04 and 10,694.64 is: 14,759.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653.04 : 25,742.04 = 10,694.64 : x
  2. Step 2: Convert to fraction form
    18,653.04/25,742.04 = 10,694.64/x
  3. Step 3: Cross multiply
    18,653.04x = 25,742.04 × 10,694.64
  4. Step 4: Simplify right side
    18,653.04x = 275,301,850.67
  5. Step 5: Solve for x
    x = 275,301,850.67/18,653.04
  6. Step 6: Final answer
    x = 14,759.09

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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.