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Finding the Fourth Proportional to 17,485.87, 26,231.71 and 6,955.99

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Solution

The fourth proportional to 17,485.87, 26,231.71 and 6,955.99 is: 10,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485.87 : 26,231.71 = 6,955.99 : x
  2. Step 2: Convert to fraction form
    17,485.87/26,231.71 = 6,955.99/x
  3. Step 3: Cross multiply
    17,485.87x = 26,231.71 × 6,955.99
  4. Step 4: Simplify right side
    17,485.87x = 182,467,599.85
  5. Step 5: Solve for x
    x = 182,467,599.85/17,485.87
  6. Step 6: Final answer
    x = 10,435.15

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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.