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Finding the Fourth Proportional to 18,140.00, 27,199.50 and 7,033.69

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Solution

The fourth proportional to 18,140.00, 27,199.50 and 7,033.69 is: 10,546.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.00 : 27,199.50 = 7,033.69 : x
  2. Step 2: Convert to fraction form
    18,140.00/27,199.50 = 7,033.69/x
  3. Step 3: Cross multiply
    18,140.00x = 27,199.50 × 7,033.69
  4. Step 4: Simplify right side
    18,140.00x = 191,312,782.28
  5. Step 5: Solve for x
    x = 191,312,782.28/18,140.00
  6. Step 6: Final answer
    x = 10,546.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.