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Finding the Fourth Proportional to 23,990.52, 33,096.21 and 13,913.12

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Solution

The fourth proportional to 23,990.52, 33,096.21 and 13,913.12 is: 19,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.52 : 33,096.21 = 13,913.12 : x
  2. Step 2: Convert to fraction form
    23,990.52/33,096.21 = 13,913.12/x
  3. Step 3: Cross multiply
    23,990.52x = 33,096.21 × 13,913.12
  4. Step 4: Simplify right side
    23,990.52x = 460,471,375.79
  5. Step 5: Solve for x
    x = 460,471,375.79/23,990.52
  6. Step 6: Final answer
    x = 19,193.89

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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.