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Finding the Fourth Proportional to 64,927.80, 97,404.87 and 36,861.30

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Solution

The fourth proportional to 64,927.80, 97,404.87 and 36,861.30 is: 55,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,927.80 : 97,404.87 = 36,861.30 : x
  2. Step 2: Convert to fraction form
    64,927.80/97,404.87 = 36,861.30/x
  3. Step 3: Cross multiply
    64,927.80x = 97,404.87 × 36,861.30
  4. Step 4: Simplify right side
    64,927.80x = 3,590,469,950.22
  5. Step 5: Solve for x
    x = 3,590,469,950.22/64,927.80
  6. Step 6: Final answer
    x = 55,299.42

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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.