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Finding the Fourth Proportional to 63,677.16, 87,786.59 and 50,800.12

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Solution

The fourth proportional to 63,677.16, 87,786.59 and 50,800.12 is: 70,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,677.16 : 87,786.59 = 50,800.12 : x
  2. Step 2: Convert to fraction form
    63,677.16/87,786.59 = 50,800.12/x
  3. Step 3: Cross multiply
    63,677.16x = 87,786.59 × 50,800.12
  4. Step 4: Simplify right side
    63,677.16x = 4,459,568,832.92
  5. Step 5: Solve for x
    x = 4,459,568,832.92/63,677.16
  6. Step 6: Final answer
    x = 70,034.04

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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.