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Finding the Fourth Proportional to 18,076.56, 24,946.76 and 10,119.28

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Solution

The fourth proportional to 18,076.56, 24,946.76 and 10,119.28 is: 13,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.56 : 24,946.76 = 10,119.28 : x
  2. Step 2: Convert to fraction form
    18,076.56/24,946.76 = 10,119.28/x
  3. Step 3: Cross multiply
    18,076.56x = 24,946.76 × 10,119.28
  4. Step 4: Simplify right side
    18,076.56x = 252,443,249.53
  5. Step 5: Solve for x
    x = 252,443,249.53/18,076.56
  6. Step 6: Final answer
    x = 13,965.23

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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.