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Finding the Fourth Proportional to 43,764.99, 65,647.48 and 34,958.67

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Solution

The fourth proportional to 43,764.99, 65,647.48 and 34,958.67 is: 52,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,764.99 : 65,647.48 = 34,958.67 : x
  2. Step 2: Convert to fraction form
    43,764.99/65,647.48 = 34,958.67/x
  3. Step 3: Cross multiply
    43,764.99x = 65,647.48 × 34,958.67
  4. Step 4: Simplify right side
    43,764.99x = 2,294,948,261.41
  5. Step 5: Solve for x
    x = 2,294,948,261.41/43,764.99
  6. Step 6: Final answer
    x = 52,438.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.