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Finding the Fourth Proportional to 18,052.79, 27,078.91 and 6,366.11

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Solution

The fourth proportional to 18,052.79, 27,078.91 and 6,366.11 is: 9,549.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052.79 : 27,078.91 = 6,366.11 : x
  2. Step 2: Convert to fraction form
    18,052.79/27,078.91 = 6,366.11/x
  3. Step 3: Cross multiply
    18,052.79x = 27,078.91 × 6,366.11
  4. Step 4: Simplify right side
    18,052.79x = 172,387,168.43
  5. Step 5: Solve for x
    x = 172,387,168.43/18,052.79
  6. Step 6: Final answer
    x = 9,549.06

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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.