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Finding the Fourth Proportional to 17,601.39, 26,410.64 and 7,739.39

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Solution

The fourth proportional to 17,601.39, 26,410.64 and 7,739.39 is: 11,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,601.39 : 26,410.64 = 7,739.39 : x
  2. Step 2: Convert to fraction form
    17,601.39/26,410.64 = 7,739.39/x
  3. Step 3: Cross multiply
    17,601.39x = 26,410.64 × 7,739.39
  4. Step 4: Simplify right side
    17,601.39x = 204,402,270.44
  5. Step 5: Solve for x
    x = 204,402,270.44/17,601.39
  6. Step 6: Final answer
    x = 11,612.85

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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.