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Finding the Fourth Proportional to 17,027.02, 25,518.90 and 7,657.03

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Solution

The fourth proportional to 17,027.02, 25,518.90 and 7,657.03 is: 11,475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,027.02 : 25,518.90 = 7,657.03 : x
  2. Step 2: Convert to fraction form
    17,027.02/25,518.90 = 7,657.03/x
  3. Step 3: Cross multiply
    17,027.02x = 25,518.90 × 7,657.03
  4. Step 4: Simplify right side
    17,027.02x = 195,398,982.87
  5. Step 5: Solve for x
    x = 195,398,982.87/17,027.02
  6. Step 6: Final answer
    x = 11,475.82

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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.