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Finding the Fourth Proportional to 24,489.64, 33,795.72 and 13,311.64

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Solution

The fourth proportional to 24,489.64, 33,795.72 and 13,311.64 is: 18,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,489.64 : 33,795.72 = 13,311.64 : x
  2. Step 2: Convert to fraction form
    24,489.64/33,795.72 = 13,311.64/x
  3. Step 3: Cross multiply
    24,489.64x = 33,795.72 × 13,311.64
  4. Step 4: Simplify right side
    24,489.64x = 449,876,458.18
  5. Step 5: Solve for x
    x = 449,876,458.18/24,489.64
  6. Step 6: Final answer
    x = 18,370.07

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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.