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Finding the Fourth Proportional to 12,510.67, 17,260.52 and 7,205.37

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Solution

The fourth proportional to 12,510.67, 17,260.52 and 7,205.37 is: 9,940.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.67 : 17,260.52 = 7,205.37 : x
  2. Step 2: Convert to fraction form
    12,510.67/17,260.52 = 7,205.37/x
  3. Step 3: Cross multiply
    12,510.67x = 17,260.52 × 7,205.37
  4. Step 4: Simplify right side
    12,510.67x = 124,368,346.69
  5. Step 5: Solve for x
    x = 124,368,346.69/12,510.67
  6. Step 6: Final answer
    x = 9,940.99

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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.