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Finding the Fourth Proportional to 16,887.62, 23,304.86 and 9,435.62

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Solution

The fourth proportional to 16,887.62, 23,304.86 and 9,435.62 is: 13,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.62 : 23,304.86 = 9,435.62 : x
  2. Step 2: Convert to fraction form
    16,887.62/23,304.86 = 9,435.62/x
  3. Step 3: Cross multiply
    16,887.62x = 23,304.86 × 9,435.62
  4. Step 4: Simplify right side
    16,887.62x = 219,895,803.11
  5. Step 5: Solve for x
    x = 219,895,803.11/16,887.62
  6. Step 6: Final answer
    x = 13,021.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.