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Finding the Fourth Proportional to 45,336.98, 68,000.06 and 12,059.48

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Solution

The fourth proportional to 45,336.98, 68,000.06 and 12,059.48 is: 18,087.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,336.98 : 68,000.06 = 12,059.48 : x
  2. Step 2: Convert to fraction form
    45,336.98/68,000.06 = 12,059.48/x
  3. Step 3: Cross multiply
    45,336.98x = 68,000.06 × 12,059.48
  4. Step 4: Simplify right side
    45,336.98x = 820,045,363.57
  5. Step 5: Solve for x
    x = 820,045,363.57/45,336.98
  6. Step 6: Final answer
    x = 18,087.78

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1.5x scale

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.