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Finding the Fourth Proportional to 17,860.52, 26,774.90 and 6,774.99

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Solution

The fourth proportional to 17,860.52, 26,774.90 and 6,774.99 is: 10,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860.52 : 26,774.90 = 6,774.99 : x
  2. Step 2: Convert to fraction form
    17,860.52/26,774.90 = 6,774.99/x
  3. Step 3: Cross multiply
    17,860.52x = 26,774.90 × 6,774.99
  4. Step 4: Simplify right side
    17,860.52x = 181,399,645.88
  5. Step 5: Solve for x
    x = 181,399,645.88/17,860.52
  6. Step 6: Final answer
    x = 10,156.46

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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.