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Finding the Fourth Proportional to 48,644.28, 72,966.44 and 11,708.28

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Solution

The fourth proportional to 48,644.28, 72,966.44 and 11,708.28 is: 17,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,644.28 : 72,966.44 = 11,708.28 : x
  2. Step 2: Convert to fraction form
    48,644.28/72,966.44 = 11,708.28/x
  3. Step 3: Cross multiply
    48,644.28x = 72,966.44 × 11,708.28
  4. Step 4: Simplify right side
    48,644.28x = 854,311,510.12
  5. Step 5: Solve for x
    x = 854,311,510.12/48,644.28
  6. Step 6: Final answer
    x = 17,562.42

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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.