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Finding the Fourth Proportional to 17,394.70, 26,093.14 and 4,915.68

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Solution

The fourth proportional to 17,394.70, 26,093.14 and 4,915.68 is: 7,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,394.70 : 26,093.14 = 4,915.68 : x
  2. Step 2: Convert to fraction form
    17,394.70/26,093.14 = 4,915.68/x
  3. Step 3: Cross multiply
    17,394.70x = 26,093.14 × 4,915.68
  4. Step 4: Simplify right side
    17,394.70x = 128,265,567.09
  5. Step 5: Solve for x
    x = 128,265,567.09/17,394.70
  6. Step 6: Final answer
    x = 7,373.83

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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.