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Finding the Fourth Proportional to 14,854.35, 20,499.56 and 8,481.98

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Solution

The fourth proportional to 14,854.35, 20,499.56 and 8,481.98 is: 11,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.35 : 20,499.56 = 8,481.98 : x
  2. Step 2: Convert to fraction form
    14,854.35/20,499.56 = 8,481.98/x
  3. Step 3: Cross multiply
    14,854.35x = 20,499.56 × 8,481.98
  4. Step 4: Simplify right side
    14,854.35x = 173,876,776.64
  5. Step 5: Solve for x
    x = 173,876,776.64/14,854.35
  6. Step 6: Final answer
    x = 11,705.45

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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.