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Finding the Fourth Proportional to 64,760.50, 89,369.76 and 36,466.66

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Solution

The fourth proportional to 64,760.50, 89,369.76 and 36,466.66 is: 50,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,760.50 : 89,369.76 = 36,466.66 : x
  2. Step 2: Convert to fraction form
    64,760.50/89,369.76 = 36,466.66/x
  3. Step 3: Cross multiply
    64,760.50x = 89,369.76 × 36,466.66
  4. Step 4: Simplify right side
    64,760.50x = 3,259,016,652.20
  5. Step 5: Solve for x
    x = 3,259,016,652.20/64,760.50
  6. Step 6: Final answer
    x = 50,324.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.