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Finding the Fourth Proportional to 18,539.52, 27,800.64 and 10,750.56

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Solution

The fourth proportional to 18,539.52, 27,800.64 and 10,750.56 is: 16,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.52 : 27,800.64 = 10,750.56 : x
  2. Step 2: Convert to fraction form
    18,539.52/27,800.64 = 10,750.56/x
  3. Step 3: Cross multiply
    18,539.52x = 27,800.64 × 10,750.56
  4. Step 4: Simplify right side
    18,539.52x = 298,872,448.36
  5. Step 5: Solve for x
    x = 298,872,448.36/18,539.52
  6. Step 6: Final answer
    x = 16,120.83

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1.5x scale

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.