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Finding the Fourth Proportional to 29,338.80, 43,998.96 and 9,612.96

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Solution

The fourth proportional to 29,338.80, 43,998.96 and 9,612.96 is: 14,416.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,338.80 : 43,998.96 = 9,612.96 : x
  2. Step 2: Convert to fraction form
    29,338.80/43,998.96 = 9,612.96/x
  3. Step 3: Cross multiply
    29,338.80x = 43,998.96 × 9,612.96
  4. Step 4: Simplify right side
    29,338.80x = 422,960,242.52
  5. Step 5: Solve for x
    x = 422,960,242.52/29,338.80
  6. Step 6: Final answer
    x = 14,416.41

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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.