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Finding the Fourth Proportional to 18,049.96, 24,885.06 and 13,009.96

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Solution

The fourth proportional to 18,049.96, 24,885.06 and 13,009.96 is: 17,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,049.96 : 24,885.06 = 13,009.96 : x
  2. Step 2: Convert to fraction form
    18,049.96/24,885.06 = 13,009.96/x
  3. Step 3: Cross multiply
    18,049.96x = 24,885.06 × 13,009.96
  4. Step 4: Simplify right side
    18,049.96x = 323,753,635.20
  5. Step 5: Solve for x
    x = 323,753,635.20/18,049.96
  6. Step 6: Final answer
    x = 17,936.53

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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.