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Finding the Fourth Proportional to 64,972.44, 89,662.24 and 35,164.44

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Solution

The fourth proportional to 64,972.44, 89,662.24 and 35,164.44 is: 48,527.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,972.44 : 89,662.24 = 35,164.44 : x
  2. Step 2: Convert to fraction form
    64,972.44/89,662.24 = 35,164.44/x
  3. Step 3: Cross multiply
    64,972.44x = 89,662.24 × 35,164.44
  4. Step 4: Simplify right side
    64,972.44x = 3,152,922,458.75
  5. Step 5: Solve for x
    x = 3,152,922,458.75/64,972.44
  6. Step 6: Final answer
    x = 48,527.07

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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.