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Finding the Fourth Proportional to 18,052.11, 27,075.06 and 4,905.54

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Solution

The fourth proportional to 18,052.11, 27,075.06 and 4,905.54 is: 7,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052.11 : 27,075.06 = 4,905.54 : x
  2. Step 2: Convert to fraction form
    18,052.11/27,075.06 = 4,905.54/x
  3. Step 3: Cross multiply
    18,052.11x = 27,075.06 × 4,905.54
  4. Step 4: Simplify right side
    18,052.11x = 132,817,789.83
  5. Step 5: Solve for x
    x = 132,817,789.83/18,052.11
  6. Step 6: Final answer
    x = 7,357.47

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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.