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Finding the Fourth Proportional to 64,826.84, 89,466.30 and 36,534.44

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Solution

The fourth proportional to 64,826.84, 89,466.30 and 36,534.44 is: 50,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,826.84 : 89,466.30 = 36,534.44 : x
  2. Step 2: Convert to fraction form
    64,826.84/89,466.30 = 36,534.44/x
  3. Step 3: Cross multiply
    64,826.84x = 89,466.30 × 36,534.44
  4. Step 4: Simplify right side
    64,826.84x = 3,268,601,169.37
  5. Step 5: Solve for x
    x = 3,268,601,169.37/64,826.84
  6. Step 6: Final answer
    x = 50,420.49

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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.