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Finding the Fourth Proportional to 62,496.80, 93,730.44 and 18,111.80

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Solution

The fourth proportional to 62,496.80, 93,730.44 and 18,111.80 is: 27,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,496.80 : 93,730.44 = 18,111.80 : x
  2. Step 2: Convert to fraction form
    62,496.80/93,730.44 = 18,111.80/x
  3. Step 3: Cross multiply
    62,496.80x = 93,730.44 × 18,111.80
  4. Step 4: Simplify right side
    62,496.80x = 1,697,626,983.19
  5. Step 5: Solve for x
    x = 1,697,626,983.19/62,496.80
  6. Step 6: Final answer
    x = 27,163.42

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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.