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Finding the Fourth Proportional to 18,327.56, 27,482.04 and 8,953.54

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Solution

The fourth proportional to 18,327.56, 27,482.04 and 8,953.54 is: 13,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.56 : 27,482.04 = 8,953.54 : x
  2. Step 2: Convert to fraction form
    18,327.56/27,482.04 = 8,953.54/x
  3. Step 3: Cross multiply
    18,327.56x = 27,482.04 × 8,953.54
  4. Step 4: Simplify right side
    18,327.56x = 246,061,475.72
  5. Step 5: Solve for x
    x = 246,061,475.72/18,327.56
  6. Step 6: Final answer
    x = 13,425.77

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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.