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Finding the Fourth Proportional to 18,567.62, 27,806.00 and 16,768.47

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Solution

The fourth proportional to 18,567.62, 27,806.00 and 16,768.47 is: 25,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.62 : 27,806.00 = 16,768.47 : x
  2. Step 2: Convert to fraction form
    18,567.62/27,806.00 = 16,768.47/x
  3. Step 3: Cross multiply
    18,567.62x = 27,806.00 × 16,768.47
  4. Step 4: Simplify right side
    18,567.62x = 466,264,113.37
  5. Step 5: Solve for x
    x = 466,264,113.37/18,567.62
  6. Step 6: Final answer
    x = 25,111.68

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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.