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Finding the Fourth Proportional to 47,692.88, 65,833.84 and 40,951.43

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Solution

The fourth proportional to 47,692.88, 65,833.84 and 40,951.43 is: 56,528.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,692.88 : 65,833.84 = 40,951.43 : x
  2. Step 2: Convert to fraction form
    47,692.88/65,833.84 = 40,951.43/x
  3. Step 3: Cross multiply
    47,692.88x = 65,833.84 × 40,951.43
  4. Step 4: Simplify right side
    47,692.88x = 2,695,989,890.39
  5. Step 5: Solve for x
    x = 2,695,989,890.39/47,692.88
  6. Step 6: Final answer
    x = 56,528.14

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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.