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Finding the Fourth Proportional to 64,956.44, 97,438.44 and 18,212.96

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Solution

The fourth proportional to 64,956.44, 97,438.44 and 18,212.96 is: 27,320.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,956.44 : 97,438.44 = 18,212.96 : x
  2. Step 2: Convert to fraction form
    64,956.44/97,438.44 = 18,212.96/x
  3. Step 3: Cross multiply
    64,956.44x = 97,438.44 × 18,212.96
  4. Step 4: Simplify right side
    64,956.44x = 1,774,641,922.99
  5. Step 5: Solve for x
    x = 1,774,641,922.99/64,956.44
  6. Step 6: Final answer
    x = 27,320.49

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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.