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Finding the Fourth Proportional to 29,425.68, 44,138.88 and 8,649.60

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Solution

The fourth proportional to 29,425.68, 44,138.88 and 8,649.60 is: 12,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,425.68 : 44,138.88 = 8,649.60 : x
  2. Step 2: Convert to fraction form
    29,425.68/44,138.88 = 8,649.60/x
  3. Step 3: Cross multiply
    29,425.68x = 44,138.88 × 8,649.60
  4. Step 4: Simplify right side
    29,425.68x = 381,783,656.45
  5. Step 5: Solve for x
    x = 381,783,656.45/29,425.68
  6. Step 6: Final answer
    x = 12,974.51

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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.