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Finding the Fourth Proportional to 64,710.92, 97,028.11 and 25,221.94

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Solution

The fourth proportional to 64,710.92, 97,028.11 and 25,221.94 is: 37,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,710.92 : 97,028.11 = 25,221.94 : x
  2. Step 2: Convert to fraction form
    64,710.92/97,028.11 = 25,221.94/x
  3. Step 3: Cross multiply
    64,710.92x = 97,028.11 × 25,221.94
  4. Step 4: Simplify right side
    64,710.92x = 2,447,237,168.73
  5. Step 5: Solve for x
    x = 2,447,237,168.73/64,710.92
  6. Step 6: Final answer
    x = 37,817.99

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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.