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Finding the Fourth Proportional to 4,679.92, 7,014.44 and 3,584.80

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Solution

The fourth proportional to 4,679.92, 7,014.44 and 3,584.80 is: 5,373.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.92 : 7,014.44 = 3,584.80 : x
  2. Step 2: Convert to fraction form
    4,679.92/7,014.44 = 3,584.80/x
  3. Step 3: Cross multiply
    4,679.92x = 7,014.44 × 3,584.80
  4. Step 4: Simplify right side
    4,679.92x = 25,145,364.51
  5. Step 5: Solve for x
    x = 25,145,364.51/4,679.92
  6. Step 6: Final answer
    x = 5,373.03

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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.