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Finding the Fourth Proportional to 64,664.46, 89,236.08 and 36,370.08

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Solution

The fourth proportional to 64,664.46, 89,236.08 and 36,370.08 is: 50,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,664.46 : 89,236.08 = 36,370.08 : x
  2. Step 2: Convert to fraction form
    64,664.46/89,236.08 = 36,370.08/x
  3. Step 3: Cross multiply
    64,664.46x = 89,236.08 × 36,370.08
  4. Step 4: Simplify right side
    64,664.46x = 3,245,523,368.49
  5. Step 5: Solve for x
    x = 3,245,523,368.49/64,664.46
  6. Step 6: Final answer
    x = 50,190.22

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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.