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Finding the Fourth Proportional to 16,394.30, 22,613.58 and 9,679.53

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Solution

The fourth proportional to 16,394.30, 22,613.58 and 9,679.53 is: 13,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,394.30 : 22,613.58 = 9,679.53 : x
  2. Step 2: Convert to fraction form
    16,394.30/22,613.58 = 9,679.53/x
  3. Step 3: Cross multiply
    16,394.30x = 22,613.58 × 9,679.53
  4. Step 4: Simplify right side
    16,394.30x = 218,888,720.02
  5. Step 5: Solve for x
    x = 218,888,720.02/16,394.30
  6. Step 6: Final answer
    x = 13,351.51

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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.