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Finding the Fourth Proportional to 17,208.76, 25,816.50 and 5,521.08

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Solution

The fourth proportional to 17,208.76, 25,816.50 and 5,521.08 is: 8,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,208.76 : 25,816.50 = 5,521.08 : x
  2. Step 2: Convert to fraction form
    17,208.76/25,816.50 = 5,521.08/x
  3. Step 3: Cross multiply
    17,208.76x = 25,816.50 × 5,521.08
  4. Step 4: Simplify right side
    17,208.76x = 142,534,961.82
  5. Step 5: Solve for x
    x = 142,534,961.82/17,208.76
  6. Step 6: Final answer
    x = 8,282.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.