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Finding the Fourth Proportional to 19,398.35, 29,100.24 and 6,914.67

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Solution

The fourth proportional to 19,398.35, 29,100.24 and 6,914.67 is: 10,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.35 : 29,100.24 = 6,914.67 : x
  2. Step 2: Convert to fraction form
    19,398.35/29,100.24 = 6,914.67/x
  3. Step 3: Cross multiply
    19,398.35x = 29,100.24 × 6,914.67
  4. Step 4: Simplify right side
    19,398.35x = 201,218,556.52
  5. Step 5: Solve for x
    x = 201,218,556.52/19,398.35
  6. Step 6: Final answer
    x = 10,372.98

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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.