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Finding the Fourth Proportional to 17,047.32, 25,555.92 and 6,651.80

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Solution

The fourth proportional to 17,047.32, 25,555.92 and 6,651.80 is: 9,971.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,047.32 : 25,555.92 = 6,651.80 : x
  2. Step 2: Convert to fraction form
    17,047.32/25,555.92 = 6,651.80/x
  3. Step 3: Cross multiply
    17,047.32x = 25,555.92 × 6,651.80
  4. Step 4: Simplify right side
    17,047.32x = 169,992,868.66
  5. Step 5: Solve for x
    x = 169,992,868.66/17,047.32
  6. Step 6: Final answer
    x = 9,971.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.