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Finding the Fourth Proportional to 17,905, 26,858.94 and 5,593

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Solution

The fourth proportional to 17,905, 26,858.94 and 5,593 is: 8,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905 : 26,858.94 = 5,593 : x
  2. Step 2: Convert to fraction form
    17,905/26,858.94 = 5,593/x
  3. Step 3: Cross multiply
    17,905x = 26,858.94 × 5,593
  4. Step 4: Simplify right side
    17,905x = 150,222,051.42
  5. Step 5: Solve for x
    x = 150,222,051.42/17,905
  6. Step 6: Final answer
    x = 8,389.95

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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.