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Finding the Fourth Proportional to 17,023.14, 25,520.94 and 7,656.30

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Solution

The fourth proportional to 17,023.14, 25,520.94 and 7,656.30 is: 11,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,023.14 : 25,520.94 = 7,656.30 : x
  2. Step 2: Convert to fraction form
    17,023.14/25,520.94 = 7,656.30/x
  3. Step 3: Cross multiply
    17,023.14x = 25,520.94 × 7,656.30
  4. Step 4: Simplify right side
    17,023.14x = 195,395,972.92
  5. Step 5: Solve for x
    x = 195,395,972.92/17,023.14
  6. Step 6: Final answer
    x = 11,478.26

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1.5x scale

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.