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Finding the Fourth Proportional to 55,817.04, 83,694 and 18,366.99

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Solution

The fourth proportional to 55,817.04, 83,694 and 18,366.99 is: 27,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,817.04 : 83,694 = 18,366.99 : x
  2. Step 2: Convert to fraction form
    55,817.04/83,694 = 18,366.99/x
  3. Step 3: Cross multiply
    55,817.04x = 83,694 × 18,366.99
  4. Step 4: Simplify right side
    55,817.04x = 1,537,206,861.06
  5. Step 5: Solve for x
    x = 1,537,206,861.06/55,817.04
  6. Step 6: Final answer
    x = 27,540.10

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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.