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Finding the Fourth Proportional to 18,392.67, 27,353.90 and 18,195.84

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Solution

The fourth proportional to 18,392.67, 27,353.90 and 18,195.84 is: 27,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.67 : 27,353.90 = 18,195.84 : x
  2. Step 2: Convert to fraction form
    18,392.67/27,353.90 = 18,195.84/x
  3. Step 3: Cross multiply
    18,392.67x = 27,353.90 × 18,195.84
  4. Step 4: Simplify right side
    18,392.67x = 497,727,233.27
  5. Step 5: Solve for x
    x = 497,727,233.27/18,392.67
  6. Step 6: Final answer
    x = 27,061.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.