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Finding the Fourth Proportional to 4,480.17, 6,719.17 and 1,706.73

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Solution

The fourth proportional to 4,480.17, 6,719.17 and 1,706.73 is: 2,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.17 : 6,719.17 = 1,706.73 : x
  2. Step 2: Convert to fraction form
    4,480.17/6,719.17 = 1,706.73/x
  3. Step 3: Cross multiply
    4,480.17x = 6,719.17 × 1,706.73
  4. Step 4: Simplify right side
    4,480.17x = 11,467,809.01
  5. Step 5: Solve for x
    x = 11,467,809.01/4,480.17
  6. Step 6: Final answer
    x = 2,559.68

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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.