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Finding the Fourth Proportional to 64,475.28, 88,982.28 and 36,181.08

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Solution

The fourth proportional to 64,475.28, 88,982.28 and 36,181.08 is: 49,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,475.28 : 88,982.28 = 36,181.08 : x
  2. Step 2: Convert to fraction form
    64,475.28/88,982.28 = 36,181.08/x
  3. Step 3: Cross multiply
    64,475.28x = 88,982.28 × 36,181.08
  4. Step 4: Simplify right side
    64,475.28x = 3,219,474,991.26
  5. Step 5: Solve for x
    x = 3,219,474,991.26/64,475.28
  6. Step 6: Final answer
    x = 49,933.48

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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.