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Finding the Fourth Proportional to 62,494.80, 93,727.44 and 18,109.80

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Solution

The fourth proportional to 62,494.80, 93,727.44 and 18,109.80 is: 27,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,494.80 : 93,727.44 = 18,109.80 : x
  2. Step 2: Convert to fraction form
    62,494.80/93,727.44 = 18,109.80/x
  3. Step 3: Cross multiply
    62,494.80x = 93,727.44 × 18,109.80
  4. Step 4: Simplify right side
    62,494.80x = 1,697,385,192.91
  5. Step 5: Solve for x
    x = 1,697,385,192.91/62,494.80
  6. Step 6: Final answer
    x = 27,160.42

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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.