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Finding the Fourth Proportional to 29,178.68, 43,768.02 and 9,458.09

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Solution

The fourth proportional to 29,178.68, 43,768.02 and 9,458.09 is: 14,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,178.68 : 43,768.02 = 9,458.09 : x
  2. Step 2: Convert to fraction form
    29,178.68/43,768.02 = 9,458.09/x
  3. Step 3: Cross multiply
    29,178.68x = 43,768.02 × 9,458.09
  4. Step 4: Simplify right side
    29,178.68x = 413,961,949.54
  5. Step 5: Solve for x
    x = 413,961,949.54/29,178.68
  6. Step 6: Final answer
    x = 14,187.14

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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.