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Finding the Fourth Proportional to 12,750.99, 17,596.30 and 7,008.57

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Solution

The fourth proportional to 12,750.99, 17,596.30 and 7,008.57 is: 9,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.99 : 17,596.30 = 7,008.57 : x
  2. Step 2: Convert to fraction form
    12,750.99/17,596.30 = 7,008.57/x
  3. Step 3: Cross multiply
    12,750.99x = 17,596.30 × 7,008.57
  4. Step 4: Simplify right side
    12,750.99x = 123,324,952.11
  5. Step 5: Solve for x
    x = 123,324,952.11/12,750.99
  6. Step 6: Final answer
    x = 9,671.80

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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.