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Finding the Fourth Proportional to 4,342.84, 6,512.42 and 1,709.94

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Solution

The fourth proportional to 4,342.84, 6,512.42 and 1,709.94 is: 2,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.84 : 6,512.42 = 1,709.94 : x
  2. Step 2: Convert to fraction form
    4,342.84/6,512.42 = 1,709.94/x
  3. Step 3: Cross multiply
    4,342.84x = 6,512.42 × 1,709.94
  4. Step 4: Simplify right side
    4,342.84x = 11,135,847.45
  5. Step 5: Solve for x
    x = 11,135,847.45/4,342.84
  6. Step 6: Final answer
    x = 2,564.19

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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.