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Finding the Fourth Proportional to 60,687.34, 91,021.23 and 25,622.44

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Solution

The fourth proportional to 60,687.34, 91,021.23 and 25,622.44 is: 38,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,687.34 : 91,021.23 = 25,622.44 : x
  2. Step 2: Convert to fraction form
    60,687.34/91,021.23 = 25,622.44/x
  3. Step 3: Cross multiply
    60,687.34x = 91,021.23 × 25,622.44
  4. Step 4: Simplify right side
    60,687.34x = 2,332,186,004.40
  5. Step 5: Solve for x
    x = 2,332,186,004.40/60,687.34
  6. Step 6: Final answer
    x = 38,429.53

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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.