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Finding the Fourth Proportional to 12,051.87, 16,631.79 and 6,601.43

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Solution

The fourth proportional to 12,051.87, 16,631.79 and 6,601.43 is: 9,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.87 : 16,631.79 = 6,601.43 : x
  2. Step 2: Convert to fraction form
    12,051.87/16,631.79 = 6,601.43/x
  3. Step 3: Cross multiply
    12,051.87x = 16,631.79 × 6,601.43
  4. Step 4: Simplify right side
    12,051.87x = 109,793,514.30
  5. Step 5: Solve for x
    x = 109,793,514.30/12,051.87
  6. Step 6: Final answer
    x = 9,110.08

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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.