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Finding the Fourth Proportional to 27,503.70, 41,260.74 and 12,511.95

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Solution

The fourth proportional to 27,503.70, 41,260.74 and 12,511.95 is: 18,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,503.70 : 41,260.74 = 12,511.95 : x
  2. Step 2: Convert to fraction form
    27,503.70/41,260.74 = 12,511.95/x
  3. Step 3: Cross multiply
    27,503.70x = 41,260.74 × 12,511.95
  4. Step 4: Simplify right side
    27,503.70x = 516,252,315.84
  5. Step 5: Solve for x
    x = 516,252,315.84/27,503.70
  6. Step 6: Final answer
    x = 18,770.29

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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.