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Finding the Fourth Proportional to 64,930.72, 89,552.46 and 44,782.96

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Solution

The fourth proportional to 64,930.72, 89,552.46 and 44,782.96 is: 61,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,930.72 : 89,552.46 = 44,782.96 : x
  2. Step 2: Convert to fraction form
    64,930.72/89,552.46 = 44,782.96/x
  3. Step 3: Cross multiply
    64,930.72x = 89,552.46 × 44,782.96
  4. Step 4: Simplify right side
    64,930.72x = 4,010,424,234.08
  5. Step 5: Solve for x
    x = 4,010,424,234.08/64,930.72
  6. Step 6: Final answer
    x = 61,764.67

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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.