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Finding the Fourth Proportional to 44,819.43, 67,240.13 and 13,654.68

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Solution

The fourth proportional to 44,819.43, 67,240.13 and 13,654.68 is: 20,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,819.43 : 67,240.13 = 13,654.68 : x
  2. Step 2: Convert to fraction form
    44,819.43/67,240.13 = 13,654.68/x
  3. Step 3: Cross multiply
    44,819.43x = 67,240.13 × 13,654.68
  4. Step 4: Simplify right side
    44,819.43x = 918,142,137.88
  5. Step 5: Solve for x
    x = 918,142,137.88/44,819.43
  6. Step 6: Final answer
    x = 20,485.36

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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.