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Finding the Fourth Proportional to 12,340.00, 17,028.73 and 7,033.79

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Solution

The fourth proportional to 12,340.00, 17,028.73 and 7,033.79 is: 9,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.00 : 17,028.73 = 7,033.79 : x
  2. Step 2: Convert to fraction form
    12,340.00/17,028.73 = 7,033.79/x
  3. Step 3: Cross multiply
    12,340.00x = 17,028.73 × 7,033.79
  4. Step 4: Simplify right side
    12,340.00x = 119,776,466.36
  5. Step 5: Solve for x
    x = 119,776,466.36/12,340.00
  6. Step 6: Final answer
    x = 9,706.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.