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Finding the Fourth Proportional to 64,992.81, 97,489.23 and 23,439.81

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Solution

The fourth proportional to 64,992.81, 97,489.23 and 23,439.81 is: 35,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,992.81 : 97,489.23 = 23,439.81 : x
  2. Step 2: Convert to fraction form
    64,992.81/97,489.23 = 23,439.81/x
  3. Step 3: Cross multiply
    64,992.81x = 97,489.23 × 23,439.81
  4. Step 4: Simplify right side
    64,992.81x = 2,285,129,028.25
  5. Step 5: Solve for x
    x = 2,285,129,028.25/64,992.81
  6. Step 6: Final answer
    x = 35,159.72

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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.