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Finding the Fourth Proportional to 18,047.75, 24,906.20 and 10,089.11

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Solution

The fourth proportional to 18,047.75, 24,906.20 and 10,089.11 is: 13,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.75 : 24,906.20 = 10,089.11 : x
  2. Step 2: Convert to fraction form
    18,047.75/24,906.20 = 10,089.11/x
  3. Step 3: Cross multiply
    18,047.75x = 24,906.20 × 10,089.11
  4. Step 4: Simplify right side
    18,047.75x = 251,281,403.30
  5. Step 5: Solve for x
    x = 251,281,403.30/18,047.75
  6. Step 6: Final answer
    x = 13,923.15

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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.