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Finding the Fourth Proportional to 47,380.95, 71,059.05 and 14,092.05

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Solution

The fourth proportional to 47,380.95, 71,059.05 and 14,092.05 is: 21,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,380.95 : 71,059.05 = 14,092.05 : x
  2. Step 2: Convert to fraction form
    47,380.95/71,059.05 = 14,092.05/x
  3. Step 3: Cross multiply
    47,380.95x = 71,059.05 × 14,092.05
  4. Step 4: Simplify right side
    47,380.95x = 1,001,367,685.55
  5. Step 5: Solve for x
    x = 1,001,367,685.55/47,380.95
  6. Step 6: Final answer
    x = 21,134.39

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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.