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Finding the Fourth Proportional to 4,315.88, 6,469.33 and 2,929.33

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Solution

The fourth proportional to 4,315.88, 6,469.33 and 2,929.33 is: 4,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.88 : 6,469.33 = 2,929.33 : x
  2. Step 2: Convert to fraction form
    4,315.88/6,469.33 = 2,929.33/x
  3. Step 3: Cross multiply
    4,315.88x = 6,469.33 × 2,929.33
  4. Step 4: Simplify right side
    4,315.88x = 18,950,755.46
  5. Step 5: Solve for x
    x = 18,950,755.46/4,315.88
  6. Step 6: Final answer
    x = 4,390.94

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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.