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Finding the Fourth Proportional to 45,819.80, 68,737.80 and 16,254.80

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Solution

The fourth proportional to 45,819.80, 68,737.80 and 16,254.80 is: 24,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,819.80 : 68,737.80 = 16,254.80 : x
  2. Step 2: Convert to fraction form
    45,819.80/68,737.80 = 16,254.80/x
  3. Step 3: Cross multiply
    45,819.80x = 68,737.80 × 16,254.80
  4. Step 4: Simplify right side
    45,819.80x = 1,117,319,191.44
  5. Step 5: Solve for x
    x = 1,117,319,191.44/45,819.80
  6. Step 6: Final answer
    x = 24,385.07

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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.