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Finding the Fourth Proportional to 18,555.67, 27,835.04 and 6,075.42

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Solution

The fourth proportional to 18,555.67, 27,835.04 and 6,075.42 is: 9,113.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.67 : 27,835.04 = 6,075.42 : x
  2. Step 2: Convert to fraction form
    18,555.67/27,835.04 = 6,075.42/x
  3. Step 3: Cross multiply
    18,555.67x = 27,835.04 × 6,075.42
  4. Step 4: Simplify right side
    18,555.67x = 169,109,508.67
  5. Step 5: Solve for x
    x = 169,109,508.67/18,555.67
  6. Step 6: Final answer
    x = 9,113.63

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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.