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Finding the Fourth Proportional to 4,329.48, 6,488.06 and 3,351

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Solution

The fourth proportional to 4,329.48, 6,488.06 and 3,351 is: 5,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.48 : 6,488.06 = 3,351 : x
  2. Step 2: Convert to fraction form
    4,329.48/6,488.06 = 3,351/x
  3. Step 3: Cross multiply
    4,329.48x = 6,488.06 × 3,351
  4. Step 4: Simplify right side
    4,329.48x = 21,741,489.06
  5. Step 5: Solve for x
    x = 21,741,489.06/4,329.48
  6. Step 6: Final answer
    x = 5,021.73

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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.