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Finding the Fourth Proportional to 18,041.64, 27,065.04 and 5,562.72

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Solution

The fourth proportional to 18,041.64, 27,065.04 and 5,562.72 is: 8,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,041.64 : 27,065.04 = 5,562.72 : x
  2. Step 2: Convert to fraction form
    18,041.64/27,065.04 = 5,562.72/x
  3. Step 3: Cross multiply
    18,041.64x = 27,065.04 × 5,562.72
  4. Step 4: Simplify right side
    18,041.64x = 150,555,239.31
  5. Step 5: Solve for x
    x = 150,555,239.31/18,041.64
  6. Step 6: Final answer
    x = 8,344.88

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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.