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Finding the Fourth Proportional to 43,840.80, 65,793.60 and 29,044.80

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Solution

The fourth proportional to 43,840.80, 65,793.60 and 29,044.80 is: 43,588.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,840.80 : 65,793.60 = 29,044.80 : x
  2. Step 2: Convert to fraction form
    43,840.80/65,793.60 = 29,044.80/x
  3. Step 3: Cross multiply
    43,840.80x = 65,793.60 × 29,044.80
  4. Step 4: Simplify right side
    43,840.80x = 1,910,961,953.28
  5. Step 5: Solve for x
    x = 1,910,961,953.28/43,840.80
  6. Step 6: Final answer
    x = 43,588.67

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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.