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Finding the Fourth Proportional to 17,610.54, 24,313.68 and 12,318

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Solution

The fourth proportional to 17,610.54, 24,313.68 and 12,318 is: 17,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,610.54 : 24,313.68 = 12,318 : x
  2. Step 2: Convert to fraction form
    17,610.54/24,313.68 = 12,318/x
  3. Step 3: Cross multiply
    17,610.54x = 24,313.68 × 12,318
  4. Step 4: Simplify right side
    17,610.54x = 299,495,910.24
  5. Step 5: Solve for x
    x = 299,495,910.24/17,610.54
  6. Step 6: Final answer
    x = 17,006.63

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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.