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Finding the Fourth Proportional to 18,335.12, 25,302.45 and 9,951.62

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Solution

The fourth proportional to 18,335.12, 25,302.45 and 9,951.62 is: 13,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.12 : 25,302.45 = 9,951.62 : x
  2. Step 2: Convert to fraction form
    18,335.12/25,302.45 = 9,951.62/x
  3. Step 3: Cross multiply
    18,335.12x = 25,302.45 × 9,951.62
  4. Step 4: Simplify right side
    18,335.12x = 251,800,240.96
  5. Step 5: Solve for x
    x = 251,800,240.96/18,335.12
  6. Step 6: Final answer
    x = 13,733.22

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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.