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Finding the Fourth Proportional to 29,667.92, 40,952.09 and 18,346.10

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Solution

The fourth proportional to 29,667.92, 40,952.09 and 18,346.10 is: 25,324.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,667.92 : 40,952.09 = 18,346.10 : x
  2. Step 2: Convert to fraction form
    29,667.92/40,952.09 = 18,346.10/x
  3. Step 3: Cross multiply
    29,667.92x = 40,952.09 × 18,346.10
  4. Step 4: Simplify right side
    29,667.92x = 751,310,979.45
  5. Step 5: Solve for x
    x = 751,310,979.45/29,667.92
  6. Step 6: Final answer
    x = 25,324.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.