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Finding the Fourth Proportional to 17,233, 25,849.50 and 4,921

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Solution

The fourth proportional to 17,233, 25,849.50 and 4,921 is: 7,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,233 : 25,849.50 = 4,921 : x
  2. Step 2: Convert to fraction form
    17,233/25,849.50 = 4,921/x
  3. Step 3: Cross multiply
    17,233x = 25,849.50 × 4,921
  4. Step 4: Simplify right side
    17,233x = 127,205,389.50
  5. Step 5: Solve for x
    x = 127,205,389.50/17,233
  6. Step 6: Final answer
    x = 7,381.50

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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.