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Finding the Fourth Proportional to 55,794.51, 83,704.08 and 18,366.09

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Solution

The fourth proportional to 55,794.51, 83,704.08 and 18,366.09 is: 27,553.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,794.51 : 83,704.08 = 18,366.09 : x
  2. Step 2: Convert to fraction form
    55,794.51/83,704.08 = 18,366.09/x
  3. Step 3: Cross multiply
    55,794.51x = 83,704.08 × 18,366.09
  4. Step 4: Simplify right side
    55,794.51x = 1,537,316,666.65
  5. Step 5: Solve for x
    x = 1,537,316,666.65/55,794.51
  6. Step 6: Final answer
    x = 27,553.19

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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.