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Finding the Fourth Proportional to 13,652.73, 18,844.34 and 8,351.99

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Solution

The fourth proportional to 13,652.73, 18,844.34 and 8,351.99 is: 11,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.73 : 18,844.34 = 8,351.99 : x
  2. Step 2: Convert to fraction form
    13,652.73/18,844.34 = 8,351.99/x
  3. Step 3: Cross multiply
    13,652.73x = 18,844.34 × 8,351.99
  4. Step 4: Simplify right side
    13,652.73x = 157,387,739.24
  5. Step 5: Solve for x
    x = 157,387,739.24/13,652.73
  6. Step 6: Final answer
    x = 11,527.93

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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.