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Finding the Fourth Proportional to 12,012.18, 16,575.89 and 7,232.37

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Solution

The fourth proportional to 12,012.18, 16,575.89 and 7,232.37 is: 9,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.18 : 16,575.89 = 7,232.37 : x
  2. Step 2: Convert to fraction form
    12,012.18/16,575.89 = 7,232.37/x
  3. Step 3: Cross multiply
    12,012.18x = 16,575.89 × 7,232.37
  4. Step 4: Simplify right side
    12,012.18x = 119,882,933.40
  5. Step 5: Solve for x
    x = 119,882,933.40/12,012.18
  6. Step 6: Final answer
    x = 9,980.11

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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.