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Finding the Fourth Proportional to 18,504.66, 27,761.13 and 5,358.03

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Solution

The fourth proportional to 18,504.66, 27,761.13 and 5,358.03 is: 8,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.66 : 27,761.13 = 5,358.03 : x
  2. Step 2: Convert to fraction form
    18,504.66/27,761.13 = 5,358.03/x
  3. Step 3: Cross multiply
    18,504.66x = 27,761.13 × 5,358.03
  4. Step 4: Simplify right side
    18,504.66x = 148,744,967.37
  5. Step 5: Solve for x
    x = 148,744,967.37/18,504.66
  6. Step 6: Final answer
    x = 8,038.24

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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.