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Finding the Fourth Proportional to 63,509.83, 87,650.78 and 36,659.55

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Solution

The fourth proportional to 63,509.83, 87,650.78 and 36,659.55 is: 50,594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,509.83 : 87,650.78 = 36,659.55 : x
  2. Step 2: Convert to fraction form
    63,509.83/87,650.78 = 36,659.55/x
  3. Step 3: Cross multiply
    63,509.83x = 87,650.78 × 36,659.55
  4. Step 4: Simplify right side
    63,509.83x = 3,213,238,151.95
  5. Step 5: Solve for x
    x = 3,213,238,151.95/63,509.83
  6. Step 6: Final answer
    x = 50,594.34

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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.