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Finding the Fourth Proportional to 18,200.55, 27,300.84 and 5,052.92

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Solution

The fourth proportional to 18,200.55, 27,300.84 and 5,052.92 is: 7,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.55 : 27,300.84 = 5,052.92 : x
  2. Step 2: Convert to fraction form
    18,200.55/27,300.84 = 5,052.92/x
  3. Step 3: Cross multiply
    18,200.55x = 27,300.84 × 5,052.92
  4. Step 4: Simplify right side
    18,200.55x = 137,948,935.19
  5. Step 5: Solve for x
    x = 137,948,935.19/18,200.55
  6. Step 6: Final answer
    x = 7,579.38

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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.