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Finding the Fourth Proportional to 18,077.56, 24,946.79 and 10,119.78

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Solution

The fourth proportional to 18,077.56, 24,946.79 and 10,119.78 is: 13,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.56 : 24,946.79 = 10,119.78 : x
  2. Step 2: Convert to fraction form
    18,077.56/24,946.79 = 10,119.78/x
  3. Step 3: Cross multiply
    18,077.56x = 24,946.79 × 10,119.78
  4. Step 4: Simplify right side
    18,077.56x = 252,455,975.91
  5. Step 5: Solve for x
    x = 252,455,975.91/18,077.56
  6. Step 6: Final answer
    x = 13,965.16

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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.