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Finding the Fourth Proportional to 63,762.72, 87,991.92 and 35,467.92

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Solution

The fourth proportional to 63,762.72, 87,991.92 and 35,467.92 is: 48,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,762.72 : 87,991.92 = 35,467.92 : x
  2. Step 2: Convert to fraction form
    63,762.72/87,991.92 = 35,467.92/x
  3. Step 3: Cross multiply
    63,762.72x = 87,991.92 × 35,467.92
  4. Step 4: Simplify right side
    63,762.72x = 3,120,890,379.21
  5. Step 5: Solve for x
    x = 3,120,890,379.21/63,762.72
  6. Step 6: Final answer
    x = 48,945.38

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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.