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Finding the Fourth Proportional to 11,324.76, 16,987.32 and 4,304.88

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Solution

The fourth proportional to 11,324.76, 16,987.32 and 4,304.88 is: 6,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.76 : 16,987.32 = 4,304.88 : x
  2. Step 2: Convert to fraction form
    11,324.76/16,987.32 = 4,304.88/x
  3. Step 3: Cross multiply
    11,324.76x = 16,987.32 × 4,304.88
  4. Step 4: Simplify right side
    11,324.76x = 73,128,374.12
  5. Step 5: Solve for x
    x = 73,128,374.12/11,324.76
  6. Step 6: Final answer
    x = 6,457.39

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