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Finding the Fourth Proportional to 18,334.62, 27,476.01 and 9,107.10

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Solution

The fourth proportional to 18,334.62, 27,476.01 and 9,107.10 is: 13,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.62 : 27,476.01 = 9,107.10 : x
  2. Step 2: Convert to fraction form
    18,334.62/27,476.01 = 9,107.10/x
  3. Step 3: Cross multiply
    18,334.62x = 27,476.01 × 9,107.10
  4. Step 4: Simplify right side
    18,334.62x = 250,226,770.67
  5. Step 5: Solve for x
    x = 250,226,770.67/18,334.62
  6. Step 6: Final answer
    x = 13,647.78

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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.