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Finding the Fourth Proportional to 29,469.60, 44,204.40 and 28,189.80

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Solution

The fourth proportional to 29,469.60, 44,204.40 and 28,189.80 is: 42,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,469.60 : 44,204.40 = 28,189.80 : x
  2. Step 2: Convert to fraction form
    29,469.60/44,204.40 = 28,189.80/x
  3. Step 3: Cross multiply
    29,469.60x = 44,204.40 × 28,189.80
  4. Step 4: Simplify right side
    29,469.60x = 1,246,113,195.12
  5. Step 5: Solve for x
    x = 1,246,113,195.12/29,469.60
  6. Step 6: Final answer
    x = 42,284.70

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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.