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Finding the Fourth Proportional to 18,076.59, 24,945.84 and 10,118.79

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Solution

The fourth proportional to 18,076.59, 24,945.84 and 10,118.79 is: 13,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.59 : 24,945.84 = 10,118.79 : x
  2. Step 2: Convert to fraction form
    18,076.59/24,945.84 = 10,118.79/x
  3. Step 3: Cross multiply
    18,076.59x = 24,945.84 × 10,118.79
  4. Step 4: Simplify right side
    18,076.59x = 252,421,716.33
  5. Step 5: Solve for x
    x = 252,421,716.33/18,076.59
  6. Step 6: Final answer
    x = 13,964.01

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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.