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Finding the Fourth Proportional to 17,433, 26,153.94 and 5,121

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Solution

The fourth proportional to 17,433, 26,153.94 and 5,121 is: 7,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,433 : 26,153.94 = 5,121 : x
  2. Step 2: Convert to fraction form
    17,433/26,153.94 = 5,121/x
  3. Step 3: Cross multiply
    17,433x = 26,153.94 × 5,121
  4. Step 4: Simplify right side
    17,433x = 133,934,326.74
  5. Step 5: Solve for x
    x = 133,934,326.74/17,433
  6. Step 6: Final answer
    x = 7,682.80

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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.