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Finding the Fourth Proportional to 17,906.33, 26,860.17 and 6,810.95

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Solution

The fourth proportional to 17,906.33, 26,860.17 and 6,810.95 is: 10,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.33 : 26,860.17 = 6,810.95 : x
  2. Step 2: Convert to fraction form
    17,906.33/26,860.17 = 6,810.95/x
  3. Step 3: Cross multiply
    17,906.33x = 26,860.17 × 6,810.95
  4. Step 4: Simplify right side
    17,906.33x = 182,943,274.86
  5. Step 5: Solve for x
    x = 182,943,274.86/17,906.33
  6. Step 6: Final answer
    x = 10,216.68

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1.5x scale

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.