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Finding the Fourth Proportional to 11,470.32, 17,205.48 and 9,414

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Solution

The fourth proportional to 11,470.32, 17,205.48 and 9,414 is: 14,121

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.32 : 17,205.48 = 9,414 : x
  2. Step 2: Convert to fraction form
    11,470.32/17,205.48 = 9,414/x
  3. Step 3: Cross multiply
    11,470.32x = 17,205.48 × 9,414
  4. Step 4: Simplify right side
    11,470.32x = 161,972,388.72
  5. Step 5: Solve for x
    x = 161,972,388.72/11,470.32
  6. Step 6: Final answer
    x = 14,121

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.