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Finding the Fourth Proportional to 44,936.31, 67,414.81 and 13,345.65

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Solution

The fourth proportional to 44,936.31, 67,414.81 and 13,345.65 is: 20,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,936.31 : 67,414.81 = 13,345.65 : x
  2. Step 2: Convert to fraction form
    44,936.31/67,414.81 = 13,345.65/x
  3. Step 3: Cross multiply
    44,936.31x = 67,414.81 × 13,345.65
  4. Step 4: Simplify right side
    44,936.31x = 899,694,459.08
  5. Step 5: Solve for x
    x = 899,694,459.08/44,936.31
  6. Step 6: Final answer
    x = 20,021.55

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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.