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Finding the Fourth Proportional to 17,054.49, 25,534.49 and 8,716.55

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Solution

The fourth proportional to 17,054.49, 25,534.49 and 8,716.55 is: 13,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,054.49 : 25,534.49 = 8,716.55 : x
  2. Step 2: Convert to fraction form
    17,054.49/25,534.49 = 8,716.55/x
  3. Step 3: Cross multiply
    17,054.49x = 25,534.49 × 8,716.55
  4. Step 4: Simplify right side
    17,054.49x = 222,572,658.81
  5. Step 5: Solve for x
    x = 222,572,658.81/17,054.49
  6. Step 6: Final answer
    x = 13,050.68

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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.