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Finding the Fourth Proportional to 64,892.95, 89,548.81 and 36,596.81

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Solution

The fourth proportional to 64,892.95, 89,548.81 and 36,596.81 is: 50,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,892.95 : 89,548.81 = 36,596.81 : x
  2. Step 2: Convert to fraction form
    64,892.95/89,548.81 = 36,596.81/x
  3. Step 3: Cross multiply
    64,892.95x = 89,548.81 × 36,596.81
  4. Step 4: Simplify right side
    64,892.95x = 3,277,200,917.68
  5. Step 5: Solve for x
    x = 3,277,200,917.68/64,892.95
  6. Step 6: Final answer
    x = 50,501.65

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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.