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Finding the Fourth Proportional to 64,796.28, 89,418.44 and 36,511.08

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Solution

The fourth proportional to 64,796.28, 89,418.44 and 36,511.08 is: 50,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,796.28 : 89,418.44 = 36,511.08 : x
  2. Step 2: Convert to fraction form
    64,796.28/89,418.44 = 36,511.08/x
  3. Step 3: Cross multiply
    64,796.28x = 89,418.44 × 36,511.08
  4. Step 4: Simplify right side
    64,796.28x = 3,264,763,816.32
  5. Step 5: Solve for x
    x = 3,264,763,816.32/64,796.28
  6. Step 6: Final answer
    x = 50,385.05

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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.