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Finding the Fourth Proportional to 18,397.95, 25,394.76 and 10,843.76

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Solution

The fourth proportional to 18,397.95, 25,394.76 and 10,843.76 is: 14,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.95 : 25,394.76 = 10,843.76 : x
  2. Step 2: Convert to fraction form
    18,397.95/25,394.76 = 10,843.76/x
  3. Step 3: Cross multiply
    18,397.95x = 25,394.76 × 10,843.76
  4. Step 4: Simplify right side
    18,397.95x = 275,374,555.72
  5. Step 5: Solve for x
    x = 275,374,555.72/18,397.95
  6. Step 6: Final answer
    x = 14,967.68

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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.