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Finding the Fourth Proportional to 63,195.80, 87,209.66 and 34,900.88

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Solution

The fourth proportional to 63,195.80, 87,209.66 and 34,900.88 is: 48,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,195.80 : 87,209.66 = 34,900.88 : x
  2. Step 2: Convert to fraction form
    63,195.80/87,209.66 = 34,900.88/x
  3. Step 3: Cross multiply
    63,195.80x = 87,209.66 × 34,900.88
  4. Step 4: Simplify right side
    63,195.80x = 3,043,693,529.70
  5. Step 5: Solve for x
    x = 3,043,693,529.70/63,195.80
  6. Step 6: Final answer
    x = 48,162.91

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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.