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Finding the Fourth Proportional to 57,964.70, 86,817.45 and 44,774.30

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Solution

The fourth proportional to 57,964.70, 86,817.45 and 44,774.30 is: 67,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,964.70 : 86,817.45 = 44,774.30 : x
  2. Step 2: Convert to fraction form
    57,964.70/86,817.45 = 44,774.30/x
  3. Step 3: Cross multiply
    57,964.70x = 86,817.45 × 44,774.30
  4. Step 4: Simplify right side
    57,964.70x = 3,887,190,551.54
  5. Step 5: Solve for x
    x = 3,887,190,551.54/57,964.70
  6. Step 6: Final answer
    x = 67,061.34

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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.