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Finding the Fourth Proportional to 24,609.56, 33,961.16 and 13,431.56

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Solution

The fourth proportional to 24,609.56, 33,961.16 and 13,431.56 is: 18,535.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,609.56 : 33,961.16 = 13,431.56 : x
  2. Step 2: Convert to fraction form
    24,609.56/33,961.16 = 13,431.56/x
  3. Step 3: Cross multiply
    24,609.56x = 33,961.16 × 13,431.56
  4. Step 4: Simplify right side
    24,609.56x = 456,151,358.21
  5. Step 5: Solve for x
    x = 456,151,358.21/24,609.56
  6. Step 6: Final answer
    x = 18,535.53

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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.