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Finding the Fourth Proportional to 29,816.21, 44,723.85 and 7,629.39

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Solution

The fourth proportional to 29,816.21, 44,723.85 and 7,629.39 is: 11,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,816.21 : 44,723.85 = 7,629.39 : x
  2. Step 2: Convert to fraction form
    29,816.21/44,723.85 = 7,629.39/x
  3. Step 3: Cross multiply
    29,816.21x = 44,723.85 × 7,629.39
  4. Step 4: Simplify right side
    29,816.21x = 341,215,693.95
  5. Step 5: Solve for x
    x = 341,215,693.95/29,816.21
  6. Step 6: Final answer
    x = 11,443.97

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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.