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Finding the Fourth Proportional to 18,047.01, 24,882.10 and 11,662.79

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Solution

The fourth proportional to 18,047.01, 24,882.10 and 11,662.79 is: 16,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.01 : 24,882.10 = 11,662.79 : x
  2. Step 2: Convert to fraction form
    18,047.01/24,882.10 = 11,662.79/x
  3. Step 3: Cross multiply
    18,047.01x = 24,882.10 × 11,662.79
  4. Step 4: Simplify right side
    18,047.01x = 290,194,707.06
  5. Step 5: Solve for x
    x = 290,194,707.06/18,047.01
  6. Step 6: Final answer
    x = 16,079.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.