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Finding the Fourth Proportional to 17,340.54, 25,994.06 and 7,986.99

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Solution

The fourth proportional to 17,340.54, 25,994.06 and 7,986.99 is: 11,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,340.54 : 25,994.06 = 7,986.99 : x
  2. Step 2: Convert to fraction form
    17,340.54/25,994.06 = 7,986.99/x
  3. Step 3: Cross multiply
    17,340.54x = 25,994.06 × 7,986.99
  4. Step 4: Simplify right side
    17,340.54x = 207,614,297.28
  5. Step 5: Solve for x
    x = 207,614,297.28/17,340.54
  6. Step 6: Final answer
    x = 11,972.77

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1.5x scale

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.