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Finding the Fourth Proportional to 11,674.32, 17,509.32 and 3,881.04

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Solution

The fourth proportional to 11,674.32, 17,509.32 and 3,881.04 is: 5,820.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.32 : 17,509.32 = 3,881.04 : x
  2. Step 2: Convert to fraction form
    11,674.32/17,509.32 = 3,881.04/x
  3. Step 3: Cross multiply
    11,674.32x = 17,509.32 × 3,881.04
  4. Step 4: Simplify right side
    11,674.32x = 67,954,371.29
  5. Step 5: Solve for x
    x = 67,954,371.29/11,674.32
  6. Step 6: Final answer
    x = 5,820.84

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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.