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Finding the Fourth Proportional to 29,118.40, 43,677.60 and 8,341.90

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Solution

The fourth proportional to 29,118.40, 43,677.60 and 8,341.90 is: 12,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.40 : 43,677.60 = 8,341.90 : x
  2. Step 2: Convert to fraction form
    29,118.40/43,677.60 = 8,341.90/x
  3. Step 3: Cross multiply
    29,118.40x = 43,677.60 × 8,341.90
  4. Step 4: Simplify right side
    29,118.40x = 364,354,171.44
  5. Step 5: Solve for x
    x = 364,354,171.44/29,118.40
  6. Step 6: Final answer
    x = 12,512.85

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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.