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Finding the Fourth Proportional to 29,988.54, 44,982.95 and 12,458.39

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Solution

The fourth proportional to 29,988.54, 44,982.95 and 12,458.39 is: 18,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,988.54 : 44,982.95 = 12,458.39 : x
  2. Step 2: Convert to fraction form
    29,988.54/44,982.95 = 12,458.39/x
  3. Step 3: Cross multiply
    29,988.54x = 44,982.95 × 12,458.39
  4. Step 4: Simplify right side
    29,988.54x = 560,414,847.24
  5. Step 5: Solve for x
    x = 560,414,847.24/29,988.54
  6. Step 6: Final answer
    x = 18,687.63

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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.