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Finding the Fourth Proportional to 63,611.14, 95,405.91 and 16,868.74

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Solution

The fourth proportional to 63,611.14, 95,405.91 and 16,868.74 is: 25,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,611.14 : 95,405.91 = 16,868.74 : x
  2. Step 2: Convert to fraction form
    63,611.14/95,405.91 = 16,868.74/x
  3. Step 3: Cross multiply
    63,611.14x = 95,405.91 × 16,868.74
  4. Step 4: Simplify right side
    63,611.14x = 1,609,377,490.25
  5. Step 5: Solve for x
    x = 1,609,377,490.25/63,611.14
  6. Step 6: Final answer
    x = 25,300.25

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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.