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Finding the Fourth Proportional to 63,910.80, 95,794.20 and 30,646.80

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Solution

The fourth proportional to 63,910.80, 95,794.20 and 30,646.80 is: 45,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,910.80 : 95,794.20 = 30,646.80 : x
  2. Step 2: Convert to fraction form
    63,910.80/95,794.20 = 30,646.80/x
  3. Step 3: Cross multiply
    63,910.80x = 95,794.20 × 30,646.80
  4. Step 4: Simplify right side
    63,910.80x = 2,935,785,688.56
  5. Step 5: Solve for x
    x = 2,935,785,688.56/63,910.80
  6. Step 6: Final answer
    x = 45,935.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.