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Finding the Fourth Proportional to 17,251.02, 25,871.02 and 6,720.34

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Solution

The fourth proportional to 17,251.02, 25,871.02 and 6,720.34 is: 10,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,251.02 : 25,871.02 = 6,720.34 : x
  2. Step 2: Convert to fraction form
    17,251.02/25,871.02 = 6,720.34/x
  3. Step 3: Cross multiply
    17,251.02x = 25,871.02 × 6,720.34
  4. Step 4: Simplify right side
    17,251.02x = 173,862,050.55
  5. Step 5: Solve for x
    x = 173,862,050.55/17,251.02
  6. Step 6: Final answer
    x = 10,078.36

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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.