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Finding the Fourth Proportional to 63,611.16, 95,418.90 and 16,868.76

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Solution

The fourth proportional to 63,611.16, 95,418.90 and 16,868.76 is: 25,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,611.16 : 95,418.90 = 16,868.76 : x
  2. Step 2: Convert to fraction form
    63,611.16/95,418.90 = 16,868.76/x
  3. Step 3: Cross multiply
    63,611.16x = 95,418.90 × 16,868.76
  4. Step 4: Simplify right side
    63,611.16x = 1,609,598,523.56
  5. Step 5: Solve for x
    x = 1,609,598,523.56/63,611.16
  6. Step 6: Final answer
    x = 25,303.71

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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.