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Finding the Fourth Proportional to 18,633.97, 27,940.58 and 9,727.01

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Solution

The fourth proportional to 18,633.97, 27,940.58 and 9,727.01 is: 14,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.97 : 27,940.58 = 9,727.01 : x
  2. Step 2: Convert to fraction form
    18,633.97/27,940.58 = 9,727.01/x
  3. Step 3: Cross multiply
    18,633.97x = 27,940.58 × 9,727.01
  4. Step 4: Simplify right side
    18,633.97x = 271,778,253.98
  5. Step 5: Solve for x
    x = 271,778,253.98/18,633.97
  6. Step 6: Final answer
    x = 14,585.10

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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.