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Finding the Fourth Proportional to 17,768.37, 24,520.73 and 9,811.09

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Solution

The fourth proportional to 17,768.37, 24,520.73 and 9,811.09 is: 13,539.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.37 : 24,520.73 = 9,811.09 : x
  2. Step 2: Convert to fraction form
    17,768.37/24,520.73 = 9,811.09/x
  3. Step 3: Cross multiply
    17,768.37x = 24,520.73 × 9,811.09
  4. Step 4: Simplify right side
    17,768.37x = 240,575,039.84
  5. Step 5: Solve for x
    x = 240,575,039.84/17,768.37
  6. Step 6: Final answer
    x = 13,539.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.