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Finding the Fourth Proportional to 55,288.88, 82,933.31 and 18,352.88

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Solution

The fourth proportional to 55,288.88, 82,933.31 and 18,352.88 is: 27,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,288.88 : 82,933.31 = 18,352.88 : x
  2. Step 2: Convert to fraction form
    55,288.88/82,933.31 = 18,352.88/x
  3. Step 3: Cross multiply
    55,288.88x = 82,933.31 × 18,352.88
  4. Step 4: Simplify right side
    55,288.88x = 1,522,065,086.43
  5. Step 5: Solve for x
    x = 1,522,065,086.43/55,288.88
  6. Step 6: Final answer
    x = 27,529.32

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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.