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Finding the Fourth Proportional to 18,446.96, 27,686.96 and 9,568.65

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Solution

The fourth proportional to 18,446.96, 27,686.96 and 9,568.65 is: 14,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.96 : 27,686.96 = 9,568.65 : x
  2. Step 2: Convert to fraction form
    18,446.96/27,686.96 = 9,568.65/x
  3. Step 3: Cross multiply
    18,446.96x = 27,686.96 × 9,568.65
  4. Step 4: Simplify right side
    18,446.96x = 264,926,781.96
  5. Step 5: Solve for x
    x = 264,926,781.96/18,446.96
  6. Step 6: Final answer
    x = 14,361.55

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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.