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Finding the Fourth Proportional to 63,633.72, 95,451.78 and 19,260.30

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Solution

The fourth proportional to 63,633.72, 95,451.78 and 19,260.30 is: 28,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,633.72 : 95,451.78 = 19,260.30 : x
  2. Step 2: Convert to fraction form
    63,633.72/95,451.78 = 19,260.30/x
  3. Step 3: Cross multiply
    63,633.72x = 95,451.78 × 19,260.30
  4. Step 4: Simplify right side
    63,633.72x = 1,838,429,918.33
  5. Step 5: Solve for x
    x = 1,838,429,918.33/63,633.72
  6. Step 6: Final answer
    x = 28,890.81

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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.