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Finding the Fourth Proportional to 54,460.70, 81,707.46 and 19,395.80

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Solution

The fourth proportional to 54,460.70, 81,707.46 and 19,395.80 is: 29,099.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,460.70 : 81,707.46 = 19,395.80 : x
  2. Step 2: Convert to fraction form
    54,460.70/81,707.46 = 19,395.80/x
  3. Step 3: Cross multiply
    54,460.70x = 81,707.46 × 19,395.80
  4. Step 4: Simplify right side
    54,460.70x = 1,584,781,552.67
  5. Step 5: Solve for x
    x = 1,584,781,552.67/54,460.70
  6. Step 6: Final answer
    x = 29,099.54

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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.