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Finding the Fourth Proportional to 18,065.84, 27,084.20 and 16,607.84

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Solution

The fourth proportional to 18,065.84, 27,084.20 and 16,607.84 is: 24,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.84 : 27,084.20 = 16,607.84 : x
  2. Step 2: Convert to fraction form
    18,065.84/27,084.20 = 16,607.84/x
  3. Step 3: Cross multiply
    18,065.84x = 27,084.20 × 16,607.84
  4. Step 4: Simplify right side
    18,065.84x = 449,810,060.13
  5. Step 5: Solve for x
    x = 449,810,060.13/18,065.84
  6. Step 6: Final answer
    x = 24,898.38

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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.