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Finding the Fourth Proportional to 17,354.84, 26,046.86 and 13,913.96

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Solution

The fourth proportional to 17,354.84, 26,046.86 and 13,913.96 is: 20,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,354.84 : 26,046.86 = 13,913.96 : x
  2. Step 2: Convert to fraction form
    17,354.84/26,046.86 = 13,913.96/x
  3. Step 3: Cross multiply
    17,354.84x = 26,046.86 × 13,913.96
  4. Step 4: Simplify right side
    17,354.84x = 362,414,768.36
  5. Step 5: Solve for x
    x = 362,414,768.36/17,354.84
  6. Step 6: Final answer
    x = 20,882.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.