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Finding the Fourth Proportional to 3,951.14, 5,928.55 and 1,729.68

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Solution

The fourth proportional to 3,951.14, 5,928.55 and 1,729.68 is: 2,595.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.14 : 5,928.55 = 1,729.68 : x
  2. Step 2: Convert to fraction form
    3,951.14/5,928.55 = 1,729.68/x
  3. Step 3: Cross multiply
    3,951.14x = 5,928.55 × 1,729.68
  4. Step 4: Simplify right side
    3,951.14x = 10,254,509.19
  5. Step 5: Solve for x
    x = 10,254,509.19/3,951.14
  6. Step 6: Final answer
    x = 2,595.33

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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.