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Finding the Fourth Proportional to 17,145.87, 25,722.09 and 6,051.30

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Solution

The fourth proportional to 17,145.87, 25,722.09 and 6,051.30 is: 9,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.87 : 25,722.09 = 6,051.30 : x
  2. Step 2: Convert to fraction form
    17,145.87/25,722.09 = 6,051.30/x
  3. Step 3: Cross multiply
    17,145.87x = 25,722.09 × 6,051.30
  4. Step 4: Simplify right side
    17,145.87x = 155,652,083.22
  5. Step 5: Solve for x
    x = 155,652,083.22/17,145.87
  6. Step 6: Final answer
    x = 9,078.11

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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.