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Finding the Fourth Proportional to 18,171.84, 27,252.48 and 7,076.05

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Solution

The fourth proportional to 18,171.84, 27,252.48 and 7,076.05 is: 10,612.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.84 : 27,252.48 = 7,076.05 : x
  2. Step 2: Convert to fraction form
    18,171.84/27,252.48 = 7,076.05/x
  3. Step 3: Cross multiply
    18,171.84x = 27,252.48 × 7,076.05
  4. Step 4: Simplify right side
    18,171.84x = 192,839,911.10
  5. Step 5: Solve for x
    x = 192,839,911.10/18,171.84
  6. Step 6: Final answer
    x = 10,612.02

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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.