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Finding the Fourth Proportional to 17,645.54, 24,350.67 and 9,687.69

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Solution

The fourth proportional to 17,645.54, 24,350.67 and 9,687.69 is: 13,368.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.54 : 24,350.67 = 9,687.69 : x
  2. Step 2: Convert to fraction form
    17,645.54/24,350.67 = 9,687.69/x
  3. Step 3: Cross multiply
    17,645.54x = 24,350.67 × 9,687.69
  4. Step 4: Simplify right side
    17,645.54x = 235,901,742.25
  5. Step 5: Solve for x
    x = 235,901,742.25/17,645.54
  6. Step 6: Final answer
    x = 13,368.92

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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.