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Finding the Fourth Proportional to 12,003.75, 16,562.51 and 6,965.05

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Solution

The fourth proportional to 12,003.75, 16,562.51 and 6,965.05 is: 9,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003.75 : 16,562.51 = 6,965.05 : x
  2. Step 2: Convert to fraction form
    12,003.75/16,562.51 = 6,965.05/x
  3. Step 3: Cross multiply
    12,003.75x = 16,562.51 × 6,965.05
  4. Step 4: Simplify right side
    12,003.75x = 115,358,710.28
  5. Step 5: Solve for x
    x = 115,358,710.28/12,003.75
  6. Step 6: Final answer
    x = 9,610.22

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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.