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Finding the Fourth Proportional to 63,630.64, 95,445.84 and 16,879.84

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Solution

The fourth proportional to 63,630.64, 95,445.84 and 16,879.84 is: 25,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,630.64 : 95,445.84 = 16,879.84 : x
  2. Step 2: Convert to fraction form
    63,630.64/95,445.84 = 16,879.84/x
  3. Step 3: Cross multiply
    63,630.64x = 95,445.84 × 16,879.84
  4. Step 4: Simplify right side
    63,630.64x = 1,611,110,507.87
  5. Step 5: Solve for x
    x = 1,611,110,507.87/63,630.64
  6. Step 6: Final answer
    x = 25,319.73

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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.