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Finding the Fourth Proportional to 24,609.84, 33,961.50 and 13,431.84

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Solution

The fourth proportional to 24,609.84, 33,961.50 and 13,431.84 is: 18,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,609.84 : 33,961.50 = 13,431.84 : x
  2. Step 2: Convert to fraction form
    24,609.84/33,961.50 = 13,431.84/x
  3. Step 3: Cross multiply
    24,609.84x = 33,961.50 × 13,431.84
  4. Step 4: Simplify right side
    24,609.84x = 456,165,434.16
  5. Step 5: Solve for x
    x = 456,165,434.16/24,609.84
  6. Step 6: Final answer
    x = 18,535.90

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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.