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Finding the Fourth Proportional to 63,787.55, 95,702.94 and 28,243.96

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Solution

The fourth proportional to 63,787.55, 95,702.94 and 28,243.96 is: 42,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,787.55 : 95,702.94 = 28,243.96 : x
  2. Step 2: Convert to fraction form
    63,787.55/95,702.94 = 28,243.96/x
  3. Step 3: Cross multiply
    63,787.55x = 95,702.94 × 28,243.96
  4. Step 4: Simplify right side
    63,787.55x = 2,703,030,009.24
  5. Step 5: Solve for x
    x = 2,703,030,009.24/63,787.55
  6. Step 6: Final answer
    x = 42,375.51

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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.