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Finding the Fourth Proportional to 18,687.41, 25,792.53 and 18,094.89

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Solution

The fourth proportional to 18,687.41, 25,792.53 and 18,094.89 is: 24,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,687.41 : 25,792.53 = 18,094.89 : x
  2. Step 2: Convert to fraction form
    18,687.41/25,792.53 = 18,094.89/x
  3. Step 3: Cross multiply
    18,687.41x = 25,792.53 × 18,094.89
  4. Step 4: Simplify right side
    18,687.41x = 466,713,022.04
  5. Step 5: Solve for x
    x = 466,713,022.04/18,687.41
  6. Step 6: Final answer
    x = 24,974.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.