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Finding the Fourth Proportional to 23,956.48, 33,056.48 and 13,345.28

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Solution

The fourth proportional to 23,956.48, 33,056.48 and 13,345.28 is: 18,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,956.48 : 33,056.48 = 13,345.28 : x
  2. Step 2: Convert to fraction form
    23,956.48/33,056.48 = 13,345.28/x
  3. Step 3: Cross multiply
    23,956.48x = 33,056.48 × 13,345.28
  4. Step 4: Simplify right side
    23,956.48x = 441,147,981.41
  5. Step 5: Solve for x
    x = 441,147,981.41/23,956.48
  6. Step 6: Final answer
    x = 18,414.56

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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.