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Finding the Fourth Proportional to 64,656.33, 89,224.87 and 36,362.02

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Solution

The fourth proportional to 64,656.33, 89,224.87 and 36,362.02 is: 50,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,656.33 : 89,224.87 = 36,362.02 : x
  2. Step 2: Convert to fraction form
    64,656.33/89,224.87 = 36,362.02/x
  3. Step 3: Cross multiply
    64,656.33x = 89,224.87 × 36,362.02
  4. Step 4: Simplify right side
    64,656.33x = 3,244,396,507.44
  5. Step 5: Solve for x
    x = 3,244,396,507.44/64,656.33
  6. Step 6: Final answer
    x = 50,179.10

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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.