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Finding the Fourth Proportional to 11,672.19, 17,508.29 and 3,881.01

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Solution

The fourth proportional to 11,672.19, 17,508.29 and 3,881.01 is: 5,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.19 : 17,508.29 = 3,881.01 : x
  2. Step 2: Convert to fraction form
    11,672.19/17,508.29 = 3,881.01/x
  3. Step 3: Cross multiply
    11,672.19x = 17,508.29 × 3,881.01
  4. Step 4: Simplify right side
    11,672.19x = 67,949,848.57
  5. Step 5: Solve for x
    x = 67,949,848.57/11,672.19
  6. Step 6: Final answer
    x = 5,821.52

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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.