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Finding the Fourth Proportional to 63,081.28, 87,048.19 and 36,204.87

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Solution

The fourth proportional to 63,081.28, 87,048.19 and 36,204.87 is: 49,960.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,081.28 : 87,048.19 = 36,204.87 : x
  2. Step 2: Convert to fraction form
    63,081.28/87,048.19 = 36,204.87/x
  3. Step 3: Cross multiply
    63,081.28x = 87,048.19 × 36,204.87
  4. Step 4: Simplify right side
    63,081.28x = 3,151,568,402.69
  5. Step 5: Solve for x
    x = 3,151,568,402.69/63,081.28
  6. Step 6: Final answer
    x = 49,960.44

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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.